When John-Adrian marries Samantha, he will be 25 and she, 20. If you buy alcohol for your underage wife, is it against the law? Ignore, for the moment, the reality that no prosecutor would bother, to avoid the laff factor if nothing else.
Your Honor, I thought it would be okay, seeing that she's my wife..."
Young man, the law was designed to prevent older men from taking advantage of younger women.
Well, to be honest, Your Honor, that was the general idea, but...