This is so on the spot!
I wouldn't say that I have much of an ego, but it it really took some "maturing" on my part to hold myself back in those sections.
Playing the brass equivalent of a Cello, I'm mostly in the background and happily so. Sometimes, there're solos. But then, there are those supporting bits that are just so cool that I just want to lean in extra. Yet, it does indeed say mp >.>