
I live with my partner who has cluster b tendencies. I want to be supportive but also  feel at a loss of how to do so. 

How to be better supportive of their abrupt mood swings and crying over little stuff is one area I’d like advice on. For instance, they forgot to get something at the store then got upset including crying in the way back home. When I said that it was okay and everyone forgets things at the store sometimes and we could go back, they then berated themselves for their perceived failures and how they were a burden. I didn’t know what to do in that moment beyond listen to them become that upset about something that took five minutes to fix with a return trip to the store. 

Another item I’d like help with would be helping them get on a routine to help with some self-regulation items (e.g., not eating until in a mood, sleeping through literal hours of alarms due to staying up late, nickel and diming at grocery store than meal planning). Maybe having a routine can help them avoid rushing and other items that can trigger a mood swing? I know mood swings can’t totally be prevented but I figure it is better to be proactive than reactive.  

My partner is wonderful in many areas and I care about them a lot. I’d like to be a supportive partner. Any advice is appreciated.