When entering a roundabout, I always assume the person on my right, might go three quarters around to make their turn and then drive accordingly.
By keeping far enough behind the person on my right, has saved me from getting into an accident. I slipped up once and the person on my right, was forced to go to the next roundabout, as they realized they had made a mistake.
Florida is a state where even if your not at fault, your insurance will go up.
It pays not to be in a rush and to drive defensively.
I should follow my own advice.
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"It doesn't cost "nuttin", to be nice". 
MOM
I just want to do the right thing! Uncle Joe, (my hero).