FWB roommates

Hiya, thought I'd enable your love of drama bc I, too, love drama. So me and my housemate met on tinder, decided not to date but became fwb, but like legit best pals, not just the benefits. When I needed a new housemate, he moved in, and we have been on and off with the benefits but have stayed bffs, all surprisingly civil thus far. However we've been in an "off" phase since like the start of January bc he wanted to focus on himself and maybe move to starting to date again and all. Cool cool cool. Except I have not been dating (dear lord tinder is the worst) and have been getting horny af, and I know he's not been dating either. Also like the flat is small and walls are thin so it's difficult to "relieve any pressure" when we're both there without it being blindingly obvious what's going on. So if we end up quarantined it could be a TENSE situation. We also both get cabin fever quickly and get snippy if we haven't been outside by like 2pm and have to go for walks regularly, so that's going to be wild fun. There will either be literal war or a lot of shagging, or both. unlikely to be neither.