You have no chance to 拆散人家家庭......
don't be so stupid and believe those excuse!
He loves his wife much much much more than you!
You are being play, and now it is the time he should run away from you.
You don't need to worry about him. He won't live in 那個只為責任而留下的家.........it is because he loves his wife.
And he will live happily with his wife and daughter!
His 答覆 will be like this:
It is impossible for me to leave my new born baby now. Please wait me for some years until my baby growth up. Then I will leave my wife and get marry with you. In the coming years, I hope you can be my lover and keep our relationship as before. You know, I love you most!