I can't tell if he's flirting or just being friendly. Please help?

DataOrganizer27
So my ex and I have been broken up five years. We have a kid together and we just started mending things this past year. I was admittedly really cold in the beginning and kept him a long distance away from me.

He kept bringing up old memories, making me laugh, etc. Now I'm comfortable and it feels HARDER to tell if he's flirting. He definitely toned everything down with my cold attitude, and more months ago when I admitted I started feeling for him again.

Funny note, after I told him he said something along the lines of, "if you're looking to patch things up" but I cut him off with a loud no and he said he was glad we were on the same page..

We still share really subtle moments like smiles, he tilts his head at me, our eye contact sparks me every time (and I THINK it does him too).

Two days ago he hit a curb pulling up to my driveway and then texted me later saying he got distracted by my shorts and the said just kidding. Then went on to talk about summer, his tatas, and basically lack of sex life'.

Today my boss to me to a work function and he said maybe he likes me. I can't tell if this guy is jealous, still likes me, wants to be friends with benefits, wants to be friends, etc.
I can't tell if he's flirting or just being friendly. Please help?
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