I'm sorry if I sound lay here, but I have probably the most basic question of all: how do I know if it is actually working? How should I feel while (or after),

I'm sorry if I sound lay here, but I have probably the most basic question of all: how do I know if it is actually working? How should I feel while (or after), say, I listen to the Intense Focus loop? I actually tried a both Quick Relax and Intense Focus (both with earphones). For the latter I even did the registration and survey. I put the Quick Relax 15 minutes track, on first, closed my eyes and laid my head on my arm. Ten minutes in I wasn't feeling more relaxed either physically or mentally. So I tried again, but the track that came out this time felt a little unpleasant so I gave up. So I went to try the Intense Focus thing, and I have been listening to it while reading all the comments to this reply and some others below this one. Once again I don't really feel more focused or anything. I'm sorry to say this but I even find some tracks unpleasant to listen to. Am I doing something wrong? Are there optimal conditions I should put myself in for this to work? Does the fact that there was low noise (TV in the other room) around me might have prevented the Quick Relax from working? I don't mean to sound to negative here, mine are just genuine questions from someone who would really like something like this to work.