Having lived with someone who always had at least the TV going, I find that I now (living alone again) am much more amenable to silence than I was. I didn't think it bothered me to have the TV on, it would bother me to walk into an empty room and find the TV on but that was more a waste thing. Now I find that I don't turn the TV on unless there is something I actually want to watch - also I turn it off after, instead of just finding the least annoying thing on and leaving it there. But I still find that within human dwellings, silence tends to create a kind of abhorred vacuum still, and I will start singing if there is no other "noise" around. This is not the case outdoors, where the lack of human noise tends to be accompanied by quiet noises I don't usually get to hear, like crickets, birds et al....