Authors:

That was the thing about guys, though: Sometimes, they had the emotional depth of a flea.

Sara Shepard (2014). “Pretty Little Liars: The Second Half 8-Book Collection: Twisted, Ruthless, Stunning, Burned, Crushed, Deadly, Toxic, Vicious”, p.33, Harper Collins
That was the thing about guys, though: Sometimes, they had the emotional depth of a flea.