Sure. It's a problem if anyone under 18 wants sex.
It is okay for a 17 year old to date a 23 year old
eww, no
Yes, if it's ok with your parents. But, guys in their 20's usually want to have sex.
Yes, you can.
No, it is not okay for a 15 year old to date a 36 year old because the 15 year old is still a minor.
Yes. It is perfectly legal.
There are no laws about dating.
no
Yeah, that's alright.
Yeah, I guess.
You can date her, but you can't have sex with her.
It is not okay for a 12 year old to date a 20 year old. While there is no law against it, the 12 year old is under the age of consent. The 20 year old would be in legal trouble if there is even a hint of sexual activity.