Marriage material: What makes the ideal MPS partner?

If there was a Tinder for model portfolios what would make you swipe right? I've been thinking about this a lot recently. Not because I am lamenting missing the online dating wave (so Louise Justham, if you're reading, no need for alarm). No, I'm thinking about it because one way you might describe my job is making 7IM datable. In fact, not just datable, but the sort of partner you want to tell your friends and family about. Marriage material. Understanding who planners decide to date is of huge interest. On Tinder, there's a serious amount of thought put into looking appealing....