it's only a matter of time

For years I've been the bad daughter.

Ever since I have memory my sister has been able to do whatever she chooses with her life, meanwhile I have to ask for the minimal smallest thing, even about my studies. Before I went to college I wanted to study forensic science but my mother said that no one in her home will work with dead people :/

I ended up going to college studying what she told me to study which was pharmacy technician. I graduated and worked for a year even got my license. My sister is a drop out and maybe some of you might think that my mother just didn't want me to be a failure like my sister but that isn't it.

In middle school I was placed in a school that was specialized in math and science (which means I had two math classes and two science class with the other normal classes). I had to take a test to get in and I did pass it as you can imagine. 

For high school when I graduated I didn't want to go to graduation because my dad offered me to pay for our vacation instead of going to that which I agreed, later on I learned that my mom called him to say that I changed my mind and that I even wanted to go to prom . Small context, I've never been one to have a group of friends I only had like 3 friend to which 2 didn't go to either graduation or prom so I was stuck with my 1 friend (to which im thankful) but he was one of those people that everyone knew so I was always left alone. 

As you can tell there's a pattern of my mother always doing as she all she pleases with me meanwhile my sister does all the wrong doing and gets praised. Recently my mom and me got in a fight with my sister to which has resulted in months of not speaking to her while I have to tend my mother alone since she broke her arm. I don't mind taking care of my mom but im human and I work all day, I get tired. Once I get home I have to do all the house work and tend my mother while my sister jumps from men to men and my mother just sits and watches it happen, like if I went to do that I would be such a disgrace and I would most likely be disowned. 

I just feel like a savior sibling and it sucks. I've been told by my own mother to my face that I was an accident and not wanted, yet here I am being the perfect daughter.