Is this bad/ mean ?

I’ve been messing around with this guy for a couple of weeks like kissing giving him hickies(never let him give me ) and touching each other. And today I went to his house and we made out and where having a good time. He asked me if I wanted to be his girlfriend but I said I didn’t want anything serious an that I didn’t want a boyfriend. He just stayed quiet for like 5 minutes and it was pretty weird. So was this shitty of me ? I thought he would be ok with it cus I feel like that’s what most teen guys want, no strings attached relationships. And he has the reputation of a fuckboy too. He didn’t seem sad or angry just emotion less with a blank face

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We’ve never had any type of sex btw and he likes hickies so that’s y I give them.