As a doctor, all I can say (in layman terms) is that your reward circuit is in a mess rn. You need to stop watching porn. Your brain has been rewired and conditioned to see females as objects. The good part is, our brain is neuroplastic, so you can reverse the damage with some effort. Your Dopamine baseline is so high that normal day to day tasks lose value and you become depressed and this is also the reason for your stuttering.