How about if I tell you I am attracted to married women?
Oh really? I'm not sure I understand why. Do you like it when they open up to you more than their spouses?
Yes, I think of them as more mature.
You should always respect someone's relationship status and not try to pursue them and especially so when they are in as serious a relationship as marriage. Getting emotionally involved with married people will only result in a lot of drama and emotional hurt when the infidelity you help cause breaks apart a family. If you have a preference for more mature women, that is fine, but be sure not to pursue any that are married as that is very inappropriate behavior.
I'm going to text her again.
Married people often resort to going back to their spouse after a fling with you. I have been there, and know from experience. Be cautious and never let your guard down with these people.