Sorry to hear. One of the big 'jokes' here is that post-covid we will have a divorce pandemic.
Give yourself a few days to relax, for thoughts to settle, for intense emotions to weaken, for blood to cool. Then re-think everything. The more time passes, the more logic takes over.
I understand it is highly awkward doing all that while living together, if you can somehow detach yourself from being in there, travel elsewhere with your mind, maybe it would help.
2c