history: My mom makes me babysit my nephew all the time. I am sick of it. He is a brat. My mom makes me babysit my nephew all the time. I would not want to be in your position it's ok to help but all the time it can be dreadful. 
current: I am sick of it. He is a brat.
next: It will get better put your foot down and maybe say no in a nice way to not step on any ones toes.