How one choice can change fate.
I was bored and grabbed a jet. Saw 2 guys in a plane at Trevor's airfield, planned to blow them out the sky because why not. At the last second I had a change of heart and just flew really close.
After doing this 2 or 3 more times, they got the hint that I meant no harm. I've since spent about 4 hours with one of the guys messing around in free roam, playing tons of different missions I didn't even know existed and chasing down bounties and griefers.
One little change of heart has re-written the outcome of my whole night.