There is already a similar thread about this: http://forum.square-enix.com/ffxiv/t...0-Glamour-Need

And like LunarEmerald already wrote in that thread:

No. Thinking you're more entitled to a drop for whatever reason makes you selfish. You both did the battle, so you both equally deserve it. It's as simple as that.
Is pretty much what a gm would tell you, without the selfish part.

Not every ilvl 90+ person is doing the run for fun. Maybe they have been farming ct for a certain item like your friend.
Be it for Glamour or Retainer or anything. The have the same right as you do.