Hi... Such behaviours are common these days. It may be a product of a poor parenting/childhood or it may have developed over time as a consequence harsh life situations. Sometimes people also demonstrate such behaviours deliberately to make the other person suffer more mentally. It's kind of sadistic revenge. Please seek professional help if this is troubling you a lot.
Next Steps
Consult a Psychologist.
CBT along with Interpersonal Relationship Counselling is required.
Health Tips
Mr. Gunjan Maithil
Senior Psychologist
Cell: nine six seven one three zero three one three four
Website: https://gunjanmaithil.wixsite.com/therapy
App: http://wix.to/fECHB08?ref=cl