Why do guys blow me off all the time?

OK, so I'm an attractive girl with a good job and a good head on my shoulders. I'm very down to earth and super fun.I get asked out on dates quite a bit. Most of the time the first date seems to go well then after maybe one more date or some more conversing, all the sudden they stop talking to me. I will send them one more friendly text message and I get no response, they are blowing me off! I don't understand this. It's prob happened to me more times than I care to think about. I would like to know why this is happening. I don't get men! Please help.
Why do guys blow me off all the time?
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