Acting on an opinion or judgment hastily and without properly analyzing whether these actions would cause one’s self or others great stress or aggravation.
I was all alone in that laneway, I approached this guy by myself and really FOSTERED everything up for myself and the other guys on my team.
Similar to being tom sawyered. Being suckered into doing something which you originally thought was fun, only to turn out that what you are doing is indeed not fun.
"Come on, lets go chasing tornadoes. It'll be fun."