<human>: Provide a brief overview of the text.

So my boyfriend and I are in a long distance relationship till the end of the summer and we've been together 1.5 months. We don't talk on the phone but we text frequently
Background: He wants to be a famous model and is trying to build his fanbase on instagram, twitter, fb, etc.
I accidentally saw what him liking girl's photos on insta - celebrities, small celebrities (youtube/insta famous), his friends, random girls. He comments on their photos with fire and heart eye emojis, flirts with them, and last night i saw him liking a random girl's photo from many weeks ago (old picture). He doesn't do the same with me - partly because i don't post much, maybe? I get jealous and upset and he reacts with a 'wtf?' and says he's trying to build his fanbase and get them going back to his page.. Can't decide if i'm overreacting or if this is normal. It's come to the point where i feel embarrassed and lame talking about this to my friends because it just sounds so immature
<bot>: Boyfriend flirts with girls on instagram, says he's trying to build fanbase, can't decide if i'm overreacting