Me, "Okay, let's go now so I can sleep before my night shift."
Me, "Hey can you hide your [pot]? It's poisonous to cats."
Kevin, "No it's not."
Me, "Yes it is, you can look it up online."
Kevin, "Never mind, I don't even wanna go to CostCo and Target. I don't want to deal with the stress. I don't need this third degree."
Me, "I wasn't giving you the third degree, I was asking you to keep the pot--"
Kevin, "NEVER MIND."
Kevin, "Mind taking me to the gas station?"
Me, "You asked me to take you to Target. I agreed, and you changed your mind. I'm sorry you're stressed out, but I'm home now and planning to sleep before work."
And... Now he's screaming at everyone and throwing stuff. But maybe he'll realize this constant yanking on my chain is inappropriate. I'm not sure how much this works when the drug/alcohol abuser you're dealing with someone who ALSO has a personality and mood disorder.
He doesn't get it. We don't want him gone. We want him to get help. But letting his mood swings dictate all our decisions is not a solution.