guard

And the fact that he's guarding her suggests she's in oestrus and ready to mate.

For the next few days, until the female is no longer receptive, Matt must guard her 24/7.

My hope is that we start building a world that is designing more for serendipity and guards against zemblanity.

The same alertness to our surroundings, the ability to connect our dots that helps us nurture serendipity, can also help us guard against the impacts of zemblanity.