I am Hindu Girl want to marry a christian Boy.?

i am 19 year old Hindu girl. My boyfriend is 37 years old Divorcee Christian man. I am Fare But he is dark i have No problem with his Religion and Color. We loves very much each other. We have also Physical relation. My parents and brother is open minded persons. They have no problem with our relation. My Boyfriend often comes to my home and meet my parents and brother. They see him like my future husband. And my parents pressures us to marry as early as possible. My father has large business and a lot of property. but my boy friend doesn't interest in property. His interest is Me. a have a question that to marry a man who is very elder than me is how much correct?