Guys: is it normal for my boyfriend to get ego boost from other females?

Me and my boyfriend have been together for the longest time. He is just the perfect guy (loyal, sweet, funny and great). He is the one that loves to discuss our future together and is more crazy about me than I am about him. The only red flag for me is that he loves it when other girls hit on him, he almost thinks it is ok and tells me about it. I of course just say ok and brush it off... But for him it like a ego boost... I don't know. he just gets so happy (maybe he wants to show me that he still has "game") I'm just scared that I will not give him enough of that attention and ego boost so when he find someone that does than he runs with her..

What can I do? I just like to know
Guys: is it normal for my boyfriend to get ego boost from other females?
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