See, I think it's the point when you realize "there is no one better for me that i know or might know". You have to decide that at some point - based on previous experience (people you've dated, hu...
hm, i still don't agree. because you don't know lindsay, thats all just based on looks. but that would be a different point to argue, say you did know her, and she was absolutely perfect for you. She still isn't perfect, because she isn't a witness. So, thats a major part of the perfect person to you (and to everybody on this site hopefully)
point is...i think there is a person..or a couple people who come close to be perfect for each of us. We look for things in people, and if they represent what we are looking for, then i dont think we'll think we are sacrificing what could be or picking the best at the moment...we're picking a person who we love for who they are and couldnt possibly imagine being without