Is there a particular way my fiancé is supposed to ask people to be his grooms men?

For this question, we turned to an expert. How is he an expert? Because he is a guy who has asked people to be his grooms men, here was his stunning advice-

What? Guys don't get emotional and shit. It's like "Hey, be in my wedding" "Fine. Fuck you." "Cool".

So I guess that one is settled.