You don't need to drink to get drunk.
You don't even need to drink to get a hangover.
There are all kinds of hangovers.
Happy hangovers. Emotional Hangovers. Dirty hangovers. Nasty hangovers. Trust me, as many as you can count.

Without a single drop of liquor.

**groan...I will come back and explain more in detail, later, when I get over with my sleep deprived-hanging-over..