I have full on scenarios and conversations with myself.
Often hurling insults to my half-dream self, which is to say, my own hallucination of myself I pretend to see. So I imagine him right in front of me to the point where it's an actual hallucination, and I argue with him, joke with him, and confess my darkest thoughts to him.
Him being me, of course.
Also, I'll be having rap battles with the douhebag and it's a 50/50 situation; he wins sometimes, I win sometimes.
Me as a whole, a 100/100 situation because both entities are ME, thus winning every battle regardless.
It's a whole miasma of conversations with my douche-y delusion I "pretend" to have which ends up being for real.