Alright ladies I need help!

my SO wants to try Anal. I'm definitely scared that something will come out of there LMAO! But seriously ladies I need advice! Anyone who has tried it, PLEASE give me advice. I want to please my man. I'm scared but a little part of me wants to try it too, advice please! How bad does it hurt? How was your first time? Does he like it? Did you like it? Help me out ladies.