Okay, this is my first post and this has been bugging me for the past week. It mainly involves my dad and little sister

When I was little my parents were strict. I wasn't allowed to go over to my friends, unless my parents met there parents and they were told more than a day in advance. This is reasonable though. I also wasn't allowed to wear makeup until I was 15. Their explanation was, "You don't need to wear makeup", "you're too young" and my dad "You are you trying to look pretty for Who are you trying to impress?" My dad was very much under the impression that I wanted to look pretty for the boys at school. My mom was just following my dad's lead, she would buy me tinted chapsticks (like baby lips).

Once I was allowed to wear makeup my dad would say something like "Watch it" like a warning and pretty much expressed that he wasn't happy that I was wearing makeup. So, in the end, I decided to stop putting makeup on. By that time I was already in high school and doing sports so it felt troubling to put makeup on. I had PE in the morning and after school I had practice. Now I was in cross country and the coach was a guy. Every week he would have pasta-Wednesdays or spaghetti-Wednesdays (I forgot what it was called). Coach would buy everything out of his own pocket, even helped to buy girls running shoes (we burnt through them), running gear and his fiance even helped buy workout clothes for us. I only went to his house maybe a total of 4 times. My dad didn't trust our coach even though he NEVER did anything wrong and he went above and beyond what I think coaches would do. So I hardly went over to his house on Wednesdays. I'm 21 now and when I asked my dad if I could jog around in the park for exercise he said no and that if I wanted to exercise then I would walk on the treadmill in the garage. And I listen to him bc I still live at home, so his house his rules.

Now to the reason why I'm writing this post. My dad has always treated my little sister differently. My sister is 13 and she has more freedom than I ever did at her age. In just these past 2 weeks she went to the mall with her friend. By themselves, no adults. She went to a friends bday party and only told my dad 2 hours in advanced. And this is what's really bugging me, he bought her makeup. And I'm not talking about tinted chapstick. He bought her everything. Concealer, contour stick, mascara, bronzer, brushes, and beauty blenders, etc. And they're all from Ulta beauty and their expensive and good quality brands. My starting makeup was all from Target and my mom took me and I paid for everything using my bday money. I only bought mascara, concealer, and eyeliner.

I'm just really hurt. He had kept buying makeup for her a secret from me and my mom. I only found out about it bc my mom noticed that my sister was wearing mascara one day. After that when no one was home I snooped in her room. (I know I shouldn't have but I couldn't help it. At first, I thought she had borrowed my mascara and was being sneaky. After that, I found all her makeup. I haven't told anybody what I found, not even my mom. (My parents are divorced btw.)

Why are we treated so differently? I'm his daughter too, why is he so strict with me but so lenient towards her?

Does anybody have advice? and thanks for taking the time to read this.

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