There is no definitive answer to this question since different states have different laws in regards to the legal age of consent. However, in most cases, it is legal for a 21 year old to date a 17 year old. This is because the age of consent is typically 16 or 18, and a 21 year old is considered to be an adult in most states. However, there are some exceptions to this rule, so it is always best to check with a local lawyer to be sure.
1.Age of Consent:
In the United States, the age of consent is the minimum age at which an individual is considered legally old enough to consent to participation in sexual activity. Individuals aged 16 or younger in Alabama are not legally able to consent to sexual activity, and such activity may result in criminal charges against the older partner.
2.Statutory Rape:
Statutory rape is sexual activity in which one person is below the age of consent and another person is above the age of consent. Even if both parties believe that the sex is consensual, the older person may be charged with statutory rape if the younger person is below the age of consent.
3.Romeo and Juliet Laws:

Romeo and Juliet laws are designed to prevent severe criminal penalties against individuals who engage in sexual activity with someone below the age of consent, when both parties are close in age. These laws allow for a lesser charge or a dismissal of charges against individuals who engage in sexual activity with someone below the age of consent, when both parties are close in age.
4.Criminal Charges:
If an individual engages in sexual activity with someone below the age of consent, he or she may be charged with a criminal offense, such as statutory rape.
5.Civil Charges:
If an individual engages in sexual activity with someone below the age of consent, he or she may also be sued for civil damages by the other person. This type of lawsuit may seek financial compensation for the injuries suffered by the victim, such as medical expenses and emotional distress.
6.Parental Rights:
When a child is below the age of consent, his or her parents may still have certain legal rights concerning the child’s welfare. For example, parents may be able to make decisions about their child’s medical care, education, and religious upbringing.
7.Relationship Advice:
If you are considering engaging in sexual activity with someone below the age of consent, it is important to understand the potential consequences of your actions. It is also important to remember that each state has its own age of consent, so you should check the laws in your state before making any decisions.