Trauma and Abuse within an individual's environment can also be a precursor for BPD to develop. Growing up with an absent, separated or neglected parent is a stressor. Having a physically or sexually abusive childhood is alternative factors that trigger the development of BPD. 

From a neurological perspective, BPD can be developed due to the brain's lack of communication to portions that control emotions, decision making and judgment. Due to this, it is believed those suffering from BPD have a decreased amount of serotonin. Further leading to destructive tendencies, depression and aggravation. 

By being more educated on Borderline personality disorder, the symptoms/signs, stressors, etc. 

one is able to understand how to better react to an episode or emotional rollercoaster.

2. Be respectful and patient 

An individual with BPD will have trouble regarding themselves and feeling supported. By learning ways to healthily approach the relationship (as a friend or intimately),  it is important to encourage trust and always be open to ways you can help.   

3. Encourage Professional Help 

Talking to your loved one with BPD about support groups, or mental health professionals can benefit them in the long term. 

Those with BPD struggle with self-image and seeing themselves in a positive light. By helping them identify their positive qualities, you can help them recognize not everyone sees them in a negative way.  

While BPD is highly demanding and can cause hardships through relationships, it is important to engage in self-soothing activities. Including walks, movies, adventures, concerts, etc.