How important is it to finish songs when you have no idea what you are doing?
it is very important. the reason is: uncertainty can and will strike at any time. songwriting is such an open game, and anything can happen. if you start getting the idea that it is ok to give up, you will probably never get anywhere. the crazy tricks you will invent to overcome uncertainty are what is going to give your songs character. if you are afraid to think like that, then you are not even in the game