I've trained myself to trust three people more than my brain, my therapist, my dad, and my husband. I can bounce beliefs and memories off them, especially when I feel unsure and usually they can give me an answer. When I get sick (like cold/flu etc) I often get that fuzzy head feeling similar to a delusional/psychotic episode, so I start to get really nervous if I might be hearing things. I let my husband know, or if need be, a close friend and spend a lot of time with them. At this point I can just look at my husband and he'll let me know if a noise is real.