I'll share with you a little trick I've learnt, I use it to choose whether I'll have toast or cereal every morning.
Meh, so it ain't noble.
SHUT UP!!
Anyway, when you have to make a decision on something (Not in conversation, too slow), just pause, run through what you felt, re-simulate the situation in your head.
Now, simulate the other choices (If there are any).
Pay good attention to your bod.
Do it again.
Which one did your body have the best reaction to?
Do that one.
It ain't a perfect system, but its better than any human crap.
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Kinfe in yur' gut, Knife in yur' gut, nah-nah-nah-nah-nah-nah.......