What I do when my boyfriend tells me he needs space/time after arguing but says we aren’t broken up or seeing other people?

It’s been 2 weeks since the initial convo following an argument - he flips out and gets defensive if I so much as point out that he frequently disappears at night and won’t even text me to let me know he got home safely (which I’ve specifically asked since he drinks a lot then drives). I mentioned maybe we should make a little time for each other this weekend if our relationship was to continue. He agreed and we spent half of yesterday / last night together and it was good -- no arguing, he took me out to dinner & paid etc. But today when I thought we'd see each other again, eh says he continues to need space/time. Says he’s never had a relationship beyond “surface level only, the way I liked it.” And he's 36. So I don't know if he's scared of commitment? He’s always seemed to have limited emotional capacity, like if his buddy wants to talk about childhood issues impacting his dating, he’ll turn away uncomfortable. Has never been able to have some deep emotional convo, only told me he loved me by signing it in a card almost a year into dating.

What I do when my boyfriend tells me he needs space/time after arguing but says we aren’t broken up or seeing other people?
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