Is "You don't want me doing anything" grammatically correct? I heard the sentence from a movie

Is "You don't want me do anything" grammatically correct? I heard the sentence from a movie.

What's the difference between dirty and erotic in a sexual way? Thank you in advance.

Is "I'm not green and I'm not wise" grammatically corret? I'm not green and I'm not wise Should it be I'm not green or wise? or above one is also okay? Thank you in advance.

Is "I'm a Japanese" grammatically wrong? I heard I'm a Japanese is wrong but I'm Japanese. On the other hand, I heard both I'm an American and I'm American are okay. That doesn't make sence to me...Does anyone happen to know about it? Thank you in advance.

What's the difference between 3 years "later" and "after" 3 years

What's the difference between I'm satisfied and content and contented What situation do you these expressions? ・be satisfied ・be content ・be contented Thank you in advance!

Does "going to (a place)" sound gonna too? I know "be going to (verb)" sounds gonna verb tho, I realize "going to (a place)" sounds the same too. Like I'm gonna(going to) Starbucks. I know It's wrong on writing but pronunciation. Thank you in advance!

What's the difference between feel the pressure and the pressure is on? When you feel the pressure When the pressure is on What's the difference between those two sentences? Thank you in advance