The saying is that when opportunity knocks..answer. There are times we regret experiences because we feel we allowed an opportunity to pass by. My love experience with life shows me that even when one opportunity is lost another one will always present itself. Life is not stagnant. As long as we are able to breathe we will always have the chance to say something, do something, create something or be something that we want. Now, when we belabor experiences our "next opportunities" will probably present themselves differently but the fact is they will be there. Never give up on yourself. Never beat yourself up for allowing something/someone to pass by. Use that same energy to possess the opportunity that you desire and make the most of it.