Just force your mind to reject the depression and seek out something fun to focus on. We have to be forceful in making ourselves NOT touch alcohol or recreational drugs. The effect of either can result in serious harm to yourself. Being in the emergency room on New Year's day is certainly no fun and most definitely no way to spend New Year's day. You can still enjoy the holiday, just be respectful to your body and don't poison it.
Biochemistry is a complex area and it is different for everyone.
I knew a guy who was on a Bipolar med combo and went to a celebration and indulged in a heck of a lot of booze and the next morning, we learn that he had driven off a cliff and had suffered severe brain damage. Don't let this happen to you. Our judgment is usually slightly skewed on our prescribed meds, so just imagine how irrational we could become if intoxicated or under the influence of outside drugs. Research has proved that bipolar people are extremely intelligent and highly creative. Some of our most well known and acclaimed artists of all genres, were bipolar.