Just be happy he was actually turning. The worst is when you give that space to people turning right and someone going staight pulls up along side you. Now i start out in the center, and if it's a longer light, and the person behind me has their blinker on, i'll shift over, otherwise, to bad. You wouldn't get to turn right with car in front of you, so you can wait for me also. I've even had a person shout at me to get out of the way, they're trying to turn right. Kind of made my day due to how ridiculous it was. "Hey, Cyclist, Biker, get out the way, I'm trying to turn! Hey Biker!'
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In the words of Einstein
"And now I think I'll take a bath"