Some articles to help provide some background info:
http://erlc.com/article/more-americans-linking-homosexuality-to-birth
http://www.desiringgod.org/blog/posts/why-homosexuality-is-not-like-other-sins
http://www.desiringgod.org/blog/posts/is-it-sin-to-experience-same-sex-attraction
http://www.desiringgod.org/sermons/let-marriage-be-held-in-honor-thinking-biblically-about-so-called-same-sex-marriage
Consider these Scriptures:
1 Corinthians 6:9-10
Hebrews 13:1-6
Some questions to consider:
What is God's design for marriage?
Why did God create marriage and why did he design it for the
common good?
Why is homosexuality wrong?
How can Christians show the love of Christ to gay family
members or neighbors?
What
is the difference between Homosexuality and same sex attractions?
What does sexual faithfulness look like for a same-sex attracted
Christian?
How do we effectively minister to those who identify as lesbian,
gay, bisexual, and transgender?
