A number of coping mechanisms for heartbreak entail disrespecting and generally being dismissive of the other person in the relationship. However, while that response would normally suffice in certain arenas, it simply breeds a lack of accountability in situations where that does not apply.
People will tell others about everything that you did wrong and omit their own shortcomings. In essence, I can’t fuh widdit.
On disappointment, depression, expectations, and substance abuse as a coping mechanism.