You're the kind of friend that if I randomly burst into song, you'll start singing with me, and though we've never practiced singing that song before, you'll know when to jump in and take a few bars. And that's an important friend to have.
The never-a-dull-moment 26 Couples Who Have This Whole Relationship Thing Figured Out. thats so cool, I had this idea long ago but it was going to be girls against the boys, 3 on 3 and loser cooks or buys dinner. that would have been awesome!
Just because you aren't given the credit and haven't been recognised for your work doesn't mean you have to give up or stop. You don't always need credit, other people do not always have to know what you are capable of doing as long as you do.