Set a realistic floor for your performance, not a ceiling

Your first instinct is probably to either overperform your way out of the pain or to disappear quietly into the background hoping nobody notices. Neither works. What does work is deciding, before Monday morning, what "good enough" actually looks like this week.

Write it down somewhere. Something like: "I will answer emails within 24 hours. I will attend every meeting I am required to attend. I will complete the two deliverables with hard deadlines. Everything else gets triaged."

This is not lowering your standards permanently. This is setting a survivable floor so you do not blow past it and into real professional damage. Research consistently shows that work impairment and personal stress feed each other in both directions. Letting the personal crisis spill into missed deadlines or dropped communication loops creates a second stressor on top of the first. The floor gives you a boundary that protects both.

If you have personal days or a flexible leave policy, now is the time to actually use them. One strategic day off mid-week, Wednesday is usually the highest stress day, can reset your nervous system more than a full week of grinding through at 40 percent.

Tell exactly one person at work, and choose carefully

You do not owe your workplace an explanation, and broadcasting a breakup to your team will complicate things more than it helps. But telling nobody at all means there is no buffer if you have a hard moment in a meeting or need someone to quietly cover for you for twenty minutes.

Pick one person. Ideally someone who is not your direct manager but who has some standing at work: a trusted colleague, a work friend you have known for more than a year. Tell them the short version. Something like: "I am going through a rough personal situation right now. I am fine to work, but if I seem off, that is why."

That is it. You are not asking them to manage your emotions. You are giving them context so they are not reading your distraction as rudeness or disengagement. Good colleagues, the ones worth telling, will quietly work with that information without making it the office topic of the week.

As for your manager: only loop them in if you genuinely need a deadline extension or schedule accommodation. Keep it brief and solution-focused. "I have a personal situation right now and need an extra three days on the Q4 report" lands better than a full explanation that makes them uncertain about your reliability.

Build physical buffers into the workday

Your body is doing a lot right now that you cannot see. Heartbreak has a measurable effect on immune function, and the stress chemistry involved in a significant loss is real and physical, not metaphorical. If you have been getting sick more than usual, or running on broken sleep, that is a predictable biological response, not weakness.

Three things that actually help during the work week:

First, eat something before 10 a.m. even if you have no appetite. Blood sugar instability makes emotional regulation much harder, and you are already working with a depleted system.

Second, move your body at some point before or during the workday. It does not have to be a workout. A ten-minute walk at lunch changes your cortisol levels in a way that three more hours at a desk does not.

Third, protect the first thirty minutes after work. Do not check your phone for messages from them. Do not open a bottle of wine. Do not doomscroll the texts. Give your nervous system a gap between work mode and processing mode. A walk, a shower, a specific playlist, anything that creates a transition.

If your breakup is happening in fall or winter, be aware that shorter days compound everything. What people often experience in November or December is grief that feels louder and heavier than expected, because the nervous system is also managing seasonal light loss at the same time. You are not imagining the extra weight of it.

Manage the cognitive load, not just the emotions

Grief and acute emotional stress do not just make you sad. They reduce working memory capacity and make switching between tasks harder than usual. Knowing this helps you structure your work days in a way that accounts for it rather than fighting it.

Practical adjustments:

Do cognitively demanding work in your first two hours, before the mental fatigue accumulates. Creative thinking, complex problem solving, writing that requires real concentration: front-load all of it.

Use external systems for everything you would normally keep in your head. Write meeting notes even if you never do. Put reminders in your calendar for things that normally feel automatic. A missed obligation at work right now carries more cost than usual because you have less bandwidth to recover from it.

Block your calendar in 90-minute chunks rather than scheduling meetings back to back. Your brain needs more recovery time between cognitive tasks right now than it does when you are operating at full capacity.

If you work in a role that requires empathy or emotional attunement, customer-facing work, management, teaching, counseling, be especially intentional. You have less emotional reserve than usual. Build in five minutes between interactions to reset. It is not avoidance. It is resource management.

Give yourself a structured end to each work day

One of the more disorienting things about going through a breakup while working full time is that work can become either an escape hatch or a trap, and sometimes both in the same afternoon. Staying late because the office feels better than going home is a short-term solution that usually leads to burnout within a few weeks.

A simple end-of-day ritual does two things: it gives you a clear stopping point, and it prevents the spiral where work bleeds into night and you end up exhausted but unable to sleep.

Try this structure: At the end of each workday, spend five minutes writing down the three things you completed and the two things you need to pick up tomorrow. Close your laptop. Physically close it. Then do one thing that is not work and not checking your phone for contact from your ex. A call to a friend. A walk. A specific show you have been saving.

If you have children and are going through a divorce as well as processing the workplace weight of it, the evening transition gets more complicated. Our piece on supporting parents through divorce covers some of the scheduling and emotional sequencing that helps on that front.

The goal here is not to stop feeling what you are feeling. It is to keep the work week from expanding to fill all available space while you are at your most vulnerable.