how do you tell someone "i'm not ignoring you i'm just disconnected from reality right now and the days are all blurred together and i feel completely apathetic towards everyone/everything around me so it's really hard for me to maintain a conversation" without saying that
Nobody likes you when you're depressed.
Plain and simple. We can talk all day about mental health and how important it is, but the moment you are depressed, people start to distance themselves. They see you as negative, a burden, and someone too heavy to handle.