This means that if you want to chat with the option the party chats; you click "Start" on the screen in front of you and after that you will be able to see any other party, which is also in the search at the moment you are. Nobody knows - it depends on both blind chance and personal luckiness.
This is the trademark of a random chat to let your fortune choose the companion for you.
More often, they're just a way for the already-in-shape to show off—and for big companies to get a few thousand likes and views on the cheap.
Chat is anonymous - no one of users can unwillingly be forced to give anyone any part of information about their identity and whereabouts. It does not matter whether you want to spend the evening alone, or add variety to stay for a while in the noisy company.
We could dig into selective self-representation, sharing to boost self-esteem rather than express it, and how people who rank lower on scales of emotional stability share more often.
But long story short, whether you like it or not, that motivational quote you're sharing isn't altruistic.
But it's far more likely that your friends and relatives—fitness status undetermined— are the ones being subjected to it.
While these photos are nice to look at, I'm pretty sure they aren't helping anybody discover fitness.