[…] of loss of control over angry feelings.
[web.stanford.edu]
Young for BPD are abandonment and loss, unlovability, dependence, subjugation, lack of identification, mistrust, inadequate self-discipline, fear of losing emotional control
[health.am]
The person may show inappropriate and intense anger or rage with temper tantrums, constant brooding and resentment, feelings of deprivation, and a loss of control or fear
[web.stanford.edu]