How do you pick the perfect partner?

So let’s say you’re actually pretty good at online dating. You have a great bio, and professional pictures were taken and you get a decent amount of matches. (Yay, go you!)

But the question arises of how do you then convert that success into longer-term happiness and in particular, how do you decide when is the right time to settle down? After all, there are so many options to choose from right?