If and when someone you’re in a relationship makes you feel like that, it hasn’t happened overnight. It’s a gradual realization that you aren’t on the same wave length. We don’t like change, and breakin up (platonically or otherwise) is hard to do. If this someone is toxic to your soul, then maybe you’ve simply outgrown the relationship. There is nothing wrong with that. Realizing this is self-awareness, and certainly a good thing. Staying in toxic relationships is where our problems begin.
Consuming anything toxic makes us sick. Consider that as you weigh how long to hang on to someone who leaves you feeling bad and questioning yourself.