I'm going to hook up with a few girls within 3 months and piss off my now love interest
Is there a particular reason behind it?
I want to try other things before picking one person.
Sleeping around might be an actual turnoff to potential romantic partners. You should not try to make people jealous it could backfire on you.
You never know. I tried that once before and my girlfriend took as a bad joke.
While it might have worked out in the past, it might not in the future. People will consider you promiscuous and will not want to date you in the future if you keep it up.