F Buddies???

Ana
I just got out of a really long relationship & the break up has been really Ugly.... 
Since the break up I've been talking to a guy that's just 😍 Even though we're both extremely attracted to each other I don't want anything "serious".... I don't know how to tell him I just want sex... I feel like he might take it in a bad way, but he's been teasing me for Days! Maybe I'm overthinking the situation, but I don't know how to come clean