Are short girls jealous of tall girls?

i have a close friend who is shorter than me...I'm kinda above average tall I'm like 5'9 and she's like 5' and we get along together fine when were together...but our friendship seems kinda fake, because she's too cocky for me and p*sses me off when she makes comments to put me down or embarrass me in front of our mutual guy friends...she is pretty much two faced...but I don't hate her for some reason because we've been such close friends since childhood...and I don't wanna lose her as a friend. But lately I've been getting lots of attention from guys (I'm single) she has a boyfriend and she's not even that serious about him either...and I feel like she's jealous of me because constantly telling me how I've never dated, or no guy likes me, etc...

i don't know how to deal with her and what her problem is...I'm just a nice girl and she's a sharped-mouthed bad girl...i know our personalities clash but it never came between our friendship until recently...
Are short girls jealous of tall girls?
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