help need advice

I've been with my fiancé for 4yrs and we finally took a trip so I could meet his parents everything felt amazing until I found out he is already married I love him he is the first guy I've ever opened up to about everything what do I do? he said he only married her for money and it was before he met me I'm 24 and he is 14yrs older his parent love me and hate his wife my parents love him but don't know he is married