That woman saved your life! Im glad she intervened. You arent even old enough to be legally drinking. That should tell you something. You have your entire life ahead of you! Let me save you some heartache...get help now. This thing is progressive. Dont wait for jail, the courts, lost jobs, lost friends, family who wont speak to you, failed marriages, health issues..SHEESH so many things can and WILL happen if you continue. I wish I could give you a big hug right now.
Check out a local AA meeting. This will be fine if you stop it in its tracks.