Ten percent of the 'collection' goes to the city's shelters for homeless people.
She has acquired quite a 'collection of' friends/contacts/experiences/stories.
You should consider publishing these stories as a 'collection'.
(..) Remember when her fun was nightclubs and drinking games? I know. I'm lowering the bar so slowly. This time next year she'll have a coin collection. Excuse me. You guys interested in a free screening of an upcoming movie? Oh. Sorry, we can't. Well, hang on. (..)2016 TvShow: The Big Bang Theory Title: The Solder Excursion Diversion Season: 9 Episode 19