My experience ended quite sadly for both of us, my exes mother succeeded in splitting us up, being disowned by your parents is difficult I'm 37 and both my parents can cut me in half with one well worded sentence (all parents can, and they know it) the aftermath was bad for me. I had been until I met her something of a promiscuous drunkard, I swiftly went back to what I knew (although I drank alot less) I still see my ex passing by from time to time she always looks pale, tired and sad. Which is unfortunate because I used to make her laugh like a drain.
It took me a long time to get my sh1t properly together and move on, but I did and I'll probably get married next year.
I can't speak for my ex, I don't know what she's doing or who she's with etc. if I saw her I'd wish her love, luck and happiness for the future. But I am poorer for her passing, and that's no reflection on my future wife, that's just how life corrupts you, and if you let it how it'll destroy you.
My advice is if you love each other go for it, nothing worthwhile is ever easy.