So my dad started playing blockland with me across lan a few months ago. No big deal, just a father building and fighting with his son in a building game.
But he started liking blockland, and he asked if he could play every now and then on it.
But see, the problem is that he's going to do like he always does, and that's play a game until it isn't fun for him. Now blockland doesn't stop being fun because it's a sandbox game, there's always something different to do.
And so he's going to start playing on my blockland key, regardless of my consent to it.
So now my dad is "stealing" my key and not letting me play.
How could I fix this?