Questions about Homosexuals

Why are homosexual people forbidden from experiencing romantic love/relationship without offending God? Why did God allow such immense suffering? Why does God impose such heavy reality on many people? Don't they deserve to experience love as God intended it to be? What is for them to offer then? Are they to be celibate for life? Is this doing more harm than good? Is this impeding their human flourishing which in return would multiply their good doings?

These are some of the questions about homosexuality within the Church just can't wrap my head around