HELP GUYS!!! What is he doing?

We broke up like 7mths ago. We have a kid together, he started seeing someone, broke up with her, we started to get close again, he told me he wanted to get back with that girl, I accepted it, but now he text me all day, sends me snaps, and asks if he can get me anything, brings me Starbucks and makes sure I realize he ordered it right etc. I ignore everything unless it regards our son, but if he has this girl that he wants to be with why not waste all his energy in talking to her and not me? Super confused!
HELP GUYS!!! What is he doing?
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