<human>: I [26F] have been dating a guy [26F] for a few weeks now. It's going great, I like him a lot and he seems to really like me. Lots of great dates, makes an effort to see me, nothing suggests that he is just in it for sex, etc. I could definitely see it turning into a relationship. However, I have never had a serious boyfriend and am terrified of messing it up and/or him suddenly losing interest. Any of my past flings/hook-ups/whatever you want to call them have ended pretty suddenly and seemingly through no fault of my own, they just lose interest. The closest thing I have had to a boyfriend was a 4 month fling who one day randomly decided he didn't have feelings for me anymore, even though things seemed to have been going great.

How do I get over this fear and not drive myself insane by thinking anytime he takes long to answer a text, is busy and can't hang out that night, etc. he's not interested? Deep down I know all is (most likely) okay but I can't help my past experiences from putting these ideas in my head and constantly thinking it's ending.

Can you summarize the given text in a few sentences?
<bot>: How do I not get my hopes on a new relationship up too high while also having positive thoughts on where it's going? Battling trust issues from the past it seems..