People with BPD are like people with third degree burns over 90% of their bodies. Lacking emotional skin, they feel agony at the slightest touch or movement.
Radical acceptance rests on letting go of the illusion of control and a willingness to notice and accept things as they are right now, without judging.
Acceptance is the only way out of hell.
You can feel like a mental patient, but that doesn’t mean you have to act like one.