Shareing passwords is your own liability.
Obviously if he griefed on your account then you cannot trust him.
So that just shows the level of trust you can have for him.
Or it was you, and you're using a failed attempt at an excuse.
Now your gonna cry and lash out at every comment, and try to defend your failed logic.
Maybe, should try another excuse! I know!
I went afk, and my dog must a jumped on my desk. Pressed the mouse button down breaking blocks, and magically hitting the keyboard to maneuver different places to break more!
Why dont you just grow up stop acting like a child and accept your accounts responsibilities.