Is he messing around or what?

My ex boyfriend has been paying a lot of attention to me lately and then out of the blue, he decided to kiss me. We've only been "friends" for 3 weeks and it was his idea to break up 8 months ago in the first place and claimed he was over me.

But he kept staring at me and doing me favors and checking up on me and making fun of me and things like that. Then he kisses me and we didn't really talk the next day and when we did, he seemed very distant.

I assume he was using me so, I got mad and stopped trying to talk to him. But then he saw me drive by and I didn't see him and he decided to text me to just to let me know that he saw me. What is he doing?
Is he messing around or what?
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