Is my boyfriend just being lovey if he grabs my ass and tried making out with me anytime were alome?

He claims to have had no sex in his past relationships and they were fruitless. We’re both very affectionate throughout the relationship but sometimes it’s just out of nowhere.. I don’t want him to stop doing it necessarily if it’s a good thing. What do y’all think? I mean in a sense you have to give a guy a little bit of sex so he doesn’t think of you as a friend and leave
Is my boyfriend just being lovey if he grabs my ass and tried making out with me anytime were alome?
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