I tend to be jealous and I'm having the feeling that my ex is going to hook up with one of my friends.
Why would you think that's gonna happen?
I thought she loved me and all, but apparently she was only in love with the things I bought for her.
It can be painful to see exes and friends date each other. Talk to both parties and tell them how you feel. If you have good friends, they'll respect your feelings.
I was afraid that if I told my friend how I felt, she would no longer want to be around me.
It's a tricky situation. But the best thing is communicating with them how you feel. Hopefully they both will understand and everyone can stay friends.