You can focus on any of the sounds and I-Doser will work. As long as you focus on the beat. Try to tune in on the most interesting sound you hear and you should be fine.

Hi, How about a dose that causes you to feel affectionate toward someone or something. You know what feeling you get when you see a girl you'd like to fuck... yeah, that's the feeling I'm talking about. Sorry about my use of language... I see no other way of writing it to describe the feeling's stre...