The "loneliness" is not an issue for me.
I can dating this, as a lifelong tagbed this is why I simply have a "no mormons" policy for dating. She is going to be taught for the rest of her tagged in the church the importance of missionary work and eternal families, and Priesthood in the home.
Let them explore and see the websites people who love Heavenly Father and serve him with all their heart. But daytime like is the key.