It means that when someone has something that you don't you get mad or jelous. It could also mean that you are angry about something like your best friend gets the guy or girl that you want.
Doubtful a flower could be used to convey jealousy. Most of the time, people send flowers to convey warmer sentiments. If you're looking for a color of jealousy, then dark green is your answer...
jealousy:
is sometimes a disease.
nobody can say they have never been jealous before. it's where somebody has something and all you can think about is that something that somebody has.
or...
The mean distance is the same as the mean of a set of numbers,but this time, instead of them just being numbers, they're lengths. You just simply add up all the numbers and divide the total length,...