You have the ability to choose which way you want to go. You have to believe great things are going to happen in your life. Do everything you can - prepare, pray and achieve - to make it happen.
Those of us who believe in God and derive our sense of right and wrong and ethics from God's Word really have no difficulty whatsoever defining where our ethics come from. People who believe in survival of the fittest might have more difficulty deriving where their ethics come from. A lot of evolutionists are very ethical people.
My thoughts are that marriage is between a man and a woman.
Evolution and creationism both require faith. It's just a matter of where you choose to place that faith.