Everyone get close to someone who doesn’t suit us or negative person. If you are ready to leave a person. Dont ever try to neglect or avoid them. That will make them to come to you, fight with you and hurt you.
Thus also leds to physical fights, emotional imbalance, madness and sadness. It will affect the other perosn in lot of pain mentally.
So, we have to come out. When the relayion ia already in a good state. You have to give them a valid and acceptable reason to them and leave.
If they insisted to change that, you must think twice to answer this question. If you make a proper move. You will find the freedom from the toxic relatoons.