I am so sick of hearing the same stupid lines over and over and over again every couple of seconds. Is there a mod that reduces or stops this? Maybe something that makes it so the NPCs only spew out their stupid nonsense when you talk to them?

http://skyrim.nexusmods.com/mods/746/

Or: http://skyrim.nexusmods.com/mods/1928/?.

Or http://skyrim.nexusmods.com/mods/33395//? which will also give you a bunch of other options or ya can even use the console setting "setgamesetting faimingreetingdistance" and skip the extra esp.