Never given Head 😓😓😳😟help

Hello ladies, I’m 20 yrs old and I’ve been in a serious relationship that recently ended. Through out the relationship I never gave him head in a weird way I never felt comfortable. Almost as if he didn’t deserve it. He cheated twice and now it’s over so I guess I was right to feel that way. BUT NOW I see attractive guys and I instantly get the thought of “damn he must taste good” like I actually get the urge to give head !!!

Please give me tips on how to be good at it😔

What do they like ?

What do I do with my tongue?

What about my lips ?

Is it just back and forth motion ?

Do I just focus on the tip or shove it all in my mouth ??

Pls don’t be rude I just want to know how to pls the next guy I’m with💖