1. Drug withdrawal symptoms: ever wondered why many addicts find it difficult to stop abusing a particular drug? They are afraid of the withdrawal effects which most time is painful and life threating.
2. Hangover induced hunger: make sure you have edibles always available in your house if you know you are a heavy drunker, because the hunger that's likely to strike you is unimaginable.
3. Racing thoughts: This is very terrifying. A condition that won't allow you to think straight, With rapid and random thoughts zooming in your mind and you will be worrying about your too much worries.