Becoming sober at 20 and for the rest of your life is much, much better than waking up in jail at 20 and being told you severely injured or killed someone, and won't be going home again for a long loooong time. Think it can't happen to you? Read this thread...
https://www.soberrecovery.com/forums...-happened.html (I came close, but lost the battle. The worst has happened.)