['I started learning free climbing without ropes from a professional! I hope he really knows what he is doing!', "Wow, what a thrilling sport. Yeah, I sure hope he knows what he's doing. You life depends on it!", 'I just rely on the fact that he will not take any chances and will look out for me if I am in trouble.']
You are certainly brave my friend. I don't have the guts to ever do that! Be safe!
I started learning free climbing without ropes from a professional!  I hope he really knows what he is doing!