Michael was not Brian, so he had no idea that Mira had just peeked at him using her skill.
Even if he did know, he wouldn't care too much, as {Detect} wouldn't reveal anything overly sensitive about him.
That said, if he were aware, he might feel a little uncomfortable—and perhaps even understand why Brian hated his 'eyes.'
From an offhanded point of view, {Detect} seemed like the kind of skill a pervert might use to snoop into someone else's personal information.
It was undeniably an unsettling skill from the perspective of the one being observed.
After revealing and saying a few more things, Mira decided it was time for them to head to the crack.
Even with the time difference between a crack and the real world, time was still valuable. Anything else that needed to be said could be discussed once they arrived.
Michael was more than happy with this decision.