How to have faith in God or get back in?

[Diego Dion]

I'm 24, I'm gay and fell in love with a Christian boy from the assembly of God, have suffered he married never had anything with him, had psychological problems last year I just kept thinking about death, sleeping early, I gained 25 pounds, the religion I was more accepted Kardecism but I saw them talking that homosexuality can be spiritual obsession and I do not agree with it, then slowly I was losing iota of faith that was (if I ever had ) in God, then I talked to a person here in yahoo answer I forgot over the guy I spoke at the beginning of the question and took some repudiation by him but my heart closed to love, I do not even think about it anymore, just who after all the things I've lost faith in God, in Jesus in any religious, spiritual etc thing, I turned atheist or agnostic I do not know,

Excuse my English because I am Brazilian and I am still learning

My facebook :https://www.facebook.com/diego.silvasantana.58