I feel lame and I'm sure everyone thinks so too. I'm throwing my future away. I switch screens when she comes around. I doubt that your feeling the need to lie to your parents and to avoid scoldings is just about you. These tendencies don't arise in a vaccuum.
Every reaction causes another reaction.
Based on their response to you in this latest episode, it isn't hard to see why you thought it best to keep your decision from them. I guess what I am alluding to is the possibility that your behaviors make sense. That is, they may be logical given the ways that your parents relate to you. A related observation I had is how much responsibility you are assuming for the conflict that is occuring between you and your parents. Not to point the finger at your parents, but again, an interpersonal conflict usually has more than one contributor.