<human>: Can you succinctly summarize the text in 1-3 sentences?

I [F22] met someone [M27] on a dating website, and we seem to be hitting it off really well. We've gone on one date, and we talk on the phone, and text all the time. We seem to really be a good match. We both want something serious and it seems to be heading in a good direction. We have several plans to see each other again. We're still taking it easy despite both of us eventually wanting a relationship.

But I feel like I'm psyching myself out of a meaningful relationship, and I seem to do this every time I meet someone new. I start to doubt my feelings and the other person. *What if he's this, what if he's that, what if I don't actually have feelings for him and I get trapped in a relationship and have to let him down*. After all this freaking out about the possibility of my feelings fading, they *do*, and then I end up breaking up with the person, and repeating the process a year down the line with another person.

And every time it happens, it reinforces my fear of losing feelings for the person. It's kind of like trying your hardest to not lose your hard on, and them poof! It's gone!

I've tried to push the thoughts away, but they still show up. I've tried dragging out the dating process, my feelings still fade. I've tried accepting that I just don't mesh well with them but it still happens **no matter how much I like them in the beginning**. I HAVE had meaningful relationships, but not in years. My last great relationship was 5 years ago, and I got burnt *bad*. I've had many attempt and one 2 year relationship since then, but nothing "meaningful". 

Does it sound like I'm psyching myself out? Do I have commitment problems? Is it really just a case of "we're not good for each other", even if we seem great for each other in the beginning? Does anyone have anecdotes or can relate? Has anyone overcome this? Please help!
<bot>: I keep psyching myself out by worrying that I'm going to lose feelings for my dates, and then I do. Am I doomed?