Only dating isn't illegal anywhere.
Yes
yes
Yes, in Texas, the age of consent is 17. Therefore, it is legal for a 17-year-old to date an 18-year-old.
yes. if its okay with your parents.
NO! you definitely should not date someone that old at that age
yes it is legal
It's legal as long as there is no sex involved, but if they are allowed to date is up to the parents.
no
No but you could most likely get away with it.
That is up to your parents to decide. There are no laws for dating. You are too young for sex. The 13yo have to be 16 for it to be legal.
Dating is legal sex is illegal for underage persons.
If it is OK with her folks and "dating" is as far as it goes.