The constraint is always raw material. She has no shortage of ideas or time in which to put them into practice. Hence, she is most avaricious in acquiring hearts whenever an opportunity presents itself. Having a stockpile means she need waste as little time as possible.
"I think I'm too reckless for suspicion, honestly. And I like you, anyways."
"I like you!" she echoes, gleefully. "You're stubborn and clever and determined and a certain kind of vicious, and you're a wonderful student, and you're smart in a way the people I'm around rarely are. You seem like someone who can keep up with me."
The Yew Queen doesn't seem to need a response, and just smiles fondly at Shade.
"...I... would have thought you would have accumulated other 'delightful' people before now."
"People don't tend to think I'm very delightful, oddly enough! And there's been someone here or there, over the centuries, but, well, people have a way of drifting apart."
She nods, humming. "It's often a bit faster than that, but - I don't begrudge people for deciding they're happier elsewhere. This is a hard life."
She just grins. "Do you so wish? I can whisk us back quite quickly, or we can practice flying on the way."
Flying back.
The Yew Queen is quite good at flying. Shade spends some time observing her form.
She doesn't apparently need to look where she's going, either, and catches some of Shade's observance. It's actually hard to talk mid-flight, though, so she just stays silent for now.
When they've slowed, and are landing nearby the loose encampment: "Do you like what you see?"