Welcome Got2Stop...your term drinking social then cannonballing into the bottle leads me to believe your drinking has progressed.
It's not so much what you do in front of friends in a social setting as your feelings and actions when you are not. If you are stressing over if you drink too much or not then you probably are.
Part of recovery is admitting you have a problem understanding that it is out of control and eliminating the denial that its affecting your life.
This is a good start...read around...glad you're here.