best human experience is Enjoying A Thing and a stranger is enjoying it too and you smile at each other before you both move on, and sometimes, in the future, think of them fondly when you experience The Thing again
WORST is when someone mentions a symptom of a mental illness with a grave tone and tears in their eyes and you have to be very sympathetic whilst the hamster in your brain is going 'oh shit and fuck i have been raw dogging that for 15 years thought that was normal'










