Honestly, I can't seem to understand why people would read a question such as the one here and say such ridiculous statements. If you don't have anything nice to say don't say anything at all!! For crying out loud get it together people. Have a heart. This 30 year old women had enough courage to ask this very uncomfortable question and then you idiots try to make her feel even worse!? Wow.
Now, to answer the question, Not knowing you and your past and whether or not you are a victim of sexual assault, molestation,, or have a father whose attention you never received in a healthy manner, or if you have had a ex leave you or mistreat you,... then it's kind of hard to say. I can however, tell you that you need to trust your gut. Tell your head NO if it's telling you a lie, and follow your gut. If you are a healthy person, with a strong mind, not some drug user or paranoid schizophrenic, then you are probably right. If you doubt it, then tread lightly, this is a very serious accusation and situation. The position you're in is awful. On one hand; you could be right, and if you are - and you sit back and do nothing then you are failing your child. If you are wrong then maybe you could use some time reading a book that changed my life. It's called "So Long Insecurity". It's just amazing. I really hope you are wrong and that everything will work out. Your daughter may just have some daddy issues of her own, maybe having a girls day and bringing up some stuff to bring you guys closer would be a good thing. Whatever you do, your children come first, maybe some bonding with the kids without a man would be whats best, like I said, not knowing more details it's hard to say exactly.