Yesterday before work I was on the Blackstone grill grilling beer battered cod to use for salsa and sandwiches and my boyfriends family was over at my house (my parents house) and a few of them wanted some including my bfs brother. I'm guessing he didn't head the "beer battered" part because when he asked me why it doesn't taste like the gas station cod he's used to and I told him because I didn't make it in a grease frier and the beer batter he freaked out and told me how much of a horrible person I am,trying to get him drunk and trying to make him an alcoholic and get him a DUI,ect. I explained to him the beer is cooked off and he'll be fine, that it's for the taste. Anyways I get off work later last night and see a text from him telling me I'm a sl*t and that I won't be able to "lie to everyone and get them drunk anymore", followed by a picture of my Blackstone grill missing the propane tank. I go outside and behold, the tank is missing from the pump and the burners under the tray (I don't know the name of the piece) are bent so I go to bed without responding. This morning I texted his girlfriend and asked for the money to replace the propane tank and I explained the situation and sent her screenshots of what he said. She was extremely nice and I feel horrible asking her since I could have directly asked him but he's done some creepy stuff like stalking me (i think) before and reacts horribly to anything so I didn't feel comfortable. She said she'd talk to him about it and my boyfriend said he would to next time he sees him, and an hour later (two hours ago) the guy is calling me and texting me screaming because I told his girlfriend, and for being worthless, ect. AITAH?