Will it get easier to puke the more you do it?

im 17 and most of my life i have been mentally abused from both my mom and dad about the way i look... so i want to lose Weight fast and i understand the consequences of bulimia...i have a close friend looking after me so if it gets to bad she is going to take me to the hospital... i trust her fully to tell me when it gets to bad so...so please answer my question thank you