Tuck just put his sandwich down and hid his face behind his hands. Not that it was super subtle, but at least he could pretend he was being ashamed of their innuendo. Because if Scarlet saw his face, he would know Tuck knew something, and it wasn't his thing to tell.
"Ahhh, my blushing reverend ears!" he lied. "I suppose that doesn't work so well with my boyfriend sitting at the table, knowing exactly what I get up to." He was still hiding behind his hands.