Welcome to SR, for most folks who show up here it seems as though if you think you may have a problem with drinking you do have a problem with drinking and quitting for good is important because if you are an alcoholic it will always get worse with every drink & never better, not does it level off.
Here is another link with a test to help one self determine if one is an alcoholic or not
http://www.aa.org/lang/en/subpage.cfm?page=71