oh, and just thinking about my sister and I years ago. She was almost 6 years older than me. She picked up on the fact that I was the "smarter" one pretty quick and didn't forget to tell my parents quite a few times "why did you have to make HER the smarter one?" ... but the REAL issue didn't come until the day when I outgrew her! lol The grades and smarts meant nothing compared to the internal shame she suffered when she stayed at 4'11" from when she was about 13 years old and I grew all the way to 5'3"! At that point she basically started ignoring my whole existence and didn't start respecting me in any way till I turned 30 at which point we already lived continents away and now, while not best friends, there are a lot of times when we wished we lived closer!
I didn't like the way things were between me and my sister and wanted kids close in age and love the 19 months age gap between them but they somehow failed to get the message to be best friends and instead given their personalities (and diagnoses) more or less "co-exist" in the same space! ... can never win, can we? lol