Collaborative consumption is about sharing physical things. What happens if we try to share experiences? I think we dilute experiences if we rent them.
You rent the tuxedo. You might even rent the dress. You rent the venue, the table settings, the caterer's time. But you cannot rent the experience of getting married.
Temporary tattoos might offer a glimpse in to what it's like to live with such a permanent mark. But you cannot rent the experience of getting (and having) a tattoo.
Let's be honest: nobody wishes to receive fake flowers. Corpses have no say. Real flowers wilt too quickly to build in lending or renting. Temporality takes over.
You can rent toys for your kids. But you cannot rent your kids; to put it mildly, this is a long-term commitment.