I can’t say if he has BPD or not, we can’t really diagnose on here, but it sounds like he love bombed you.

In my experience (rather vast one lol) men who are truly interested in you on a deep level would move slow. They’d not profess undying love on a first date with weird promises and kisses or send you pictures of the house, they’d not insist on showing up at your house and wouldn’t propose to start living together too early into a relationship.

Moving very fast is never a good sign. Next time dude does things like that early on and most certainly if he does it in a first date, there’s no happily ever after. Love bombing feels good at the moment but it’s never the answer