um, weren't you supposed to be working? And I got too lazy to go for a swim...
Anyhoo, you & I have discussed this 'incident' earlier, but now I see you asking if you should apologize which I can tell is like chewing glass for you at the moment.
But how about we frame this in "goal terms" and Gottman repair attempts? I understand your thoughts on his (seemingly screwed up) priorities and that you're angry at being the target of his stress release. But as they say over in Newcomers all the time: What are your goals?
Even though you are perfectly entitled to have an opinion on his priorities for getting the apartment ready, the incident added to both S.'s and your stress. Do you want to be right or do you want to be happy? Annoying question at times, but the truth is that today's spat is a small blip in comparison to some of the other issues you are dealing with. Instead of seeing this as an apology you have to make against your will, how about you see it as a repair attempt? A short "Sorry I lost my temper earlier today. Let's not let this ruin the evening. We're both under a ton of stress. Give me some lips and let's make up" (or anything more appropriately humorous.)
The goal is to enjoy the evening and not let a few minutes of flaring tempers ruin a good night's sleep which both you and Little Sailor (my name for J's baby) need.