It's important for all of us who are imposed with certain physical boundary conditions to push those boundary conditions as far as possible and maintain as much independence as absolutely possible.
All adolescents and young adults experience some peer pressure to engage in drinking or other risky behaviors. Adolescents with cerebral palsy engage in risky behaviors just like other teenagers. Some families find it helpful to sign what's called, a Contract for Life, or a Contract for Safety, with their child. The parent agrees not to yell in the moment and to have a conversation about it the next day. That's one way that adolescents and parents can create some zone of safety around drinking.