Well you're wrong about the "there's no turning back" part
If you don't believe in God, some stranger praying for you from the other side of the world shouldn't faze you. If we believe what we believe, then praying for you is one of the greatest acts of love and respect we can do.
Also, just to clarify, being a good enough person and having strong faith isn't what saves us - it's accepting that Christ alone can atone for our sins that we're saved.