If you were 18 like i am i'd tell u to just tough it out, but since ur not 18 i'd have to say that a comfortable tree stand is the most important thing if you want to sit in the woods for long periods of time. I could go all day without eating, but i think the water is important, like someone else, nothing makes u want to leave more than a parched mouth. also, make sure u dress properly, if its cold make sure ur ganna be warm, and if its warm make sure ur not going to be hot. good luck to ya.