Caramel Macchiato-induced self-realizations

I have entitlement issues. I understand that it is very strange for a female, especially one my age, to have issues accepting gifts. and I am the only girl I know (besides my mother) that has problems with this. I have seen small evidences of it many times, but was hit with the full effect of it a couple weeks ago. After a long day out, I found myself yearning for a piping hot caramel macchiato. When my parents stopped to buy my brother a 35 dollar video game (and ended up getting him a 20-dollar version of a game he already has), I felt slightly wounded, thinking that they almost never do that kind of thing for me. I sarcastically suggested that if he could have a 20-dollar video game, surely I could at least have a 4-dollar coffee. I was ok as we pulled off the road searching for a Starbucks. but when it wasn't where we thought it was, I gave up my want. Against my will, my parents went out of our way to get me a caramel macchiato. Which frustrated me greatly. As I sat in the car on the way home, the previously hot macchiato my mother got me sat untouched and cooled by the second within inches of my grasp. Yet I refused to drink it, or even touch it.
4 dollars were poured down the kitchen sink.
What I realized was this: If I do not have to work for something, it is almost always considered useless to me. If others must go out of their way to get me something, the guilt overwhelms me to the point of not wanting whatever it is. Twisted, I know. And while I feel bad for wasting these things sometimes, it doesn't begin to measure up to how... weak? spinless? needy? dependant?... I feel when I use and appreciate those things. So it all goes back to my needs and how much I hate needing things. How much I hate needing to depend on someone else. How much I hate simply needing anything that I can't get for myself.
I am so messed up.