I don’t know what to do😞

I pushed my bf too far and got him really upset because I’m dumb and can’t let things go even though he keeps telling me that what I believe isn’t true. Well I pushed it too far and he got super mad and blocked me last night then unblocked me this morning but he won’t answer my calls and says he’s done with me 😣😔 I don’t want to break up, and I feel horrible and idk how to fix this 😣 do I give him space? I keep asking if he’s being serious and he ignores that. We’ve been together for 2 1/2 years 😔 what do I do? 😣