Had SEX to make him my BOYFRIEND?

I always found him attractive but a year ago he wasted interested.
Now I got my chance as he was relying on me to show him the city I belong to as he was new there and needed help.
I have hung out with him before but decided to seduce him and initiated making out and sexual stuff.

I can say that while we have fun when we are together, we are in long distance.
Also, our relationship is more sexual and may lack emotional connection or depth.

We started dating and now post pictures of us together on Facebook, whatsapp.

I'm 21, turning 22 and he's 24.

Is this a red flag considering he wasn't really interested in me before and only this move and my seduction/touching and stuff got us together?
Had SEX to make him my BOYFRIEND?
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