Dating is allowed as long as the parents say yes and since the age of consent is 16 you can have that too.
For dating? No.
No.
The 15 year old will not get into trouble, but the 21 year old could. Dating is not legislated, however, sexual contact of any type is. In most places you must be at least 16 to consent to sexual activities, but this varies from state to state and country to country.
There are no laws about dating in Pennsylvania, or any other state, so date away.
There are no laws about dating. She could get in trouble if there is sexual contact.
Whether a 21-year-old will get in trouble for dating a 16-year-old depends on the state. Even if the 16-year-old has reached the age of consent in her state, there may be a statute about how much older her partner can legally be.
YES!
no.
No, you are both adults and do as you wish.
Dating is not illegal. Having sex would be illegal.
yep
yes