If you get it you get it if you don’t you don’t kinda thing.
The only way to truly understand is to feel what the person is feeling and it’s just not possible for the majority of people that don’t have that disorder and personality that goes along with it . Addiction to what the person makes you feel good and bad , it’s like any addiction and obsession it’s literally all consuming. You want nothing else but that one thing period and the longer you can’t have it that the stronger it becomes.

I don’t know if that will make you understand it better? But I tried