He is a loyal guy who when he is in a relationship he never want another girl in his life. If he says stay with me till I die he never wants to hurt you. And he want to marry you
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!