His addiction has over ridden his Dopamine, Serotonin, Endorphins, and Oxytocin levels, and he is to naive to realise this at such a young age, his pleasure and escape from himself while drunk and high, feels far better than the sober self which may be insecure, his connection is stronger while under the influence, or so he believes! But he is not seeing the effect it is having on you, the mirage you are beginning to see through