Life should be all about fun and having fun and doing what you like to do. The moment you allow someone's ignorance to hinder your dreams and goals you'd failed yourself and allowed others to rule your world.
Someone who says "you shouldn't do that" is someone who lives in fear and don't want you to do it because they haven't the balls to do it themselves, so they concoct a reason why you shouldn't or why its immoral.
A Balance and Harmony balance one another and there is nothing greater than peace and harmony between two people. You will know if its right or wrong.