The first, which is also one of the most likely to precipitate your relationship towards the breakup, is manipulation or the fact of trying to control the other, using strategies that are not always very advisable. Signs that indicate a person wants to control their partner are jealousy, manipulation, dominance, blaming, and undervaluing their partner.
The lack of interest can also end up killing a couple. When we no longer worry about the other, when we no longer take the time to listen to them, or even to communicate or give them delicate attentions.
Finally, the third most harmful behavior identified by the study would be to maintain a bad relationship with his children . When one of the partners shows no investment in his family life, that he never takes care of the children, this is inevitably a source of tension.