Wavy, you did great. You can be proud of yourself. I think your father's wishes for you are not those of a mature male, and I have just been discussing this with my husband who I am sure is older than your father. I am surprised that your father feels you "owe" him this; what you owe him is to have good values, and to be the best person you can, to have a character and integrity you and your family can be proud of. You do not owe him straight hair. You should NEVER sacrifice your convictions just to please another. It sounds like you get that really well. Good for you!