Quality and not quantity should be key here.
I never* drink alone. I am a social drinker, unfortunately I am also an extremely social person.
However, I rarely know my limits. I am a lightweight but combined with the tolerance comparable to a teenager with access to a free bar. This is not something I am proud of, yes, I use alcohol as a social lubricant, and sometimes I use alcohol when I feel bashful.
Preferring the term mood enhancer than mood alternator, and for genuine reasons, if I don't feel like going out for a drink, I generally don't.
Although, I must bring to the forefront beer goggles. How many times more likely am I going to kiss/snog/shag someone I wouldn't sober - 10/100/1000? I'm not sure of the numbers but there is a direct correlation, maybe I should undertake some research!
*When I say never, there have been two occasions in the last fourteen years, again another reason never to use never...