At what age do men stop acting like boys? My husband is 46 and still acting like a 20 year old. He films himself at work with his 20 year?

workmates, acting silly, doing seductive, immature things for Instagram to get other women's attention. I thought, by age 46 that would all stop. He says the girls love it and it makes him feel good. I'm starting to think he hasn't grown up.
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