Welcome to Psych Central. There are signs that may be more obvious to an outside observer when bipolar is in control. It can be the mania of feeling invincible or the depression of feeling miserable and hopeless.

Here is an article that helps explain this further
What?s the Difference Between Bipolar Disorder and Depression? | Psych Central

Drinking is self medicating and it is like gambling at Las Vegas, a crap shoot. One can get manic or depressed. Are you on meds for bipolar? Combining meds with alcohol is not recommended and can lead to side affects.
Psych Central - Search results for Combining alcohol with medicines

There are many compassionate and caring people here. Feel free to private message me or any community liason by left clicking on their name underlined in blue to the left of the post and selecting Send a private message to .....[their name]

There are many forums here at Psych Central
http://forums.psychcentral.com

After 5 posts you can do the Chat Room - Bipolar Disorder BD is on Saturday nights, see link below.
Forums at Psych Central - Calendar