I stopped being vegetarian?

I stopped being vegetarian a few months ago because my doctor said it was unhealthy for me... I'm considering going back to a vegetarian diet, but it is a huge hle for everyone in my life, and I already give them enough issues. Plus, everyone will criticize me and say that I was an 'indecisive poser' or something... I am going into my senior year of high school. Should I just wait until college to make it easier on everyone? And how can I make sure that I stay healthy?