questions about daddy kink (UPDATE)

Sirona
I wanted to try the daddy kink with my SO but i dont know how to bring it up and what all the rules are and where to even start. Advice please 
UPDATE***
Tried it last night and hes all for it. So glad i told him about it. It made sex soo much more enjoyable for both of us and it was extremely hot. Thank you ladies for the help!