What does it mean when an Ex hits you up?

Ugh… 😒
So my ex (ok guy, relationship ended on ok terms) Sent me a txt asking if we could talk…
I waited a bit but I did call him back. He’s telling me that he misses me, and that loosing me was the biggest mistake of his life. (I doubt it) And he wants me to give him another chance… ( he ended the relationship btw)

I honestly thinks it’s bs, like no one suddenly txts their ex right? He must have some other intentions in mind 😒

Thoughts, opinions? (Be nice please) 😕