Scientific research into the effects of alcohol on the male libido show that whilst alcohol can make you feel good, too much is bad for sex.
Having a low libido can be distressing and upsetting, but there are plenty of things you can try to help improve your sex drive.
There is so "normal" standard for libido, however it's worth reading up on your sex drive and seeking help if you think you need it.
Hypersexuality has no single definition, but if your sex drive is disruptive to you or others, then it is definitely worth seeking advice.
Fluctuations in your libido are totally normal, as are different libidos between partners. Still, there are ways you can treat a low libido.