I matched with a girl on tinder and we decided to be friends with benefits. The thing is, I have been texting her once a week to hookup, but each time she has an event that always comes up. She says she is down to have sex but I feel like if I keep texting her about it, I might look needy. Is it okay to text her once a week asking to hookup without looking desperate? I know this isn’t an actual relationship but at the same time I want to hookup with her. I don't know what to do.