I need advice

Sophia
Last night I said something to my bf and I didn't mean it. I was only joking but he doesn't believe me. I said that if I had could cut him off I would. I realised I really did fuck up. By the way I'm 16 and I say dump things all the time but I really have messed up. I'm seeing him tomorrow but I'm worried I ruined the relationship and the thing is I think I only said it because I'm scared to love him. Due to me never being in love before.