...and find a denomination that will encourage him in his perversion?
The Episcopal Church is right down the street!
No, one in which Christ manifests strongly enough to teach him the love of God which will make him even better than ordinary straight.
There are plenty of those. Some Protestant denominations allow same sex marriage...and will perform the ceremony.
Someday, there will be H-E-Double Hockey Sticks to pay for those perverts...and those who aided, abetted, allowed and said "yea and amen" to those perversions.
No. Quit ruining his life with faith. Take responsibility and think for himself.