If anyone else got a buddy key they wanna share i'm all for having one! Sharing a key with a friend and he started playing a lot now so not much time for me
here is some info on how the ladder system supposedly works, lots of it seems to be speculation though:
SC2 Ladder Analysis: What YOU Need to Know
I had that happen to me, but the fella put the cannons close to my ramp so I managed to hold off for a while then made a nydus worm into his main base. gg from him shortly thereafterI've encountered thor drop strats quite a few times; I tend to struggle vs them as zerg.
I've lost to proxy cannon rush a few times too the only way to stop it really is to kill the probe, which is hard with your own probes, or spam lots of cannons yourself.