im confuse?

im libra and my fiancee of 8 yrs is an aquarius.They said we are soul,mates and compatible?But i cant feel those for him?Do you see happy relationship?is it lasting?or its abt time to break with him since he is a womanizer?Do u think he is sincere with his love for Me?Can you see marriage in dfuture?he is 1955,feb.im 1959 oct.Are soulmates can be no matter what in d future?