Not unobservant. Not enough to fail to notice the lack of Spanish since it was their joke to keep giving each other more and more ornate pet-names in Spanish and French.

She needed to figure out a test. A pet name she'd used more than once, preferably. Add in some drama learned from watching Cassie. Damnit. Give her a second.

"I can't believe you don't trust me enough to stay out of the way, mon coeur! I can take care of myself and I have a nice spinach lasagna for us to share! How could you be so heartless as to deprive me of your presence all day long? Get that hood out of your face and listen to me!" Damnit. Cassie could cry pretty much on command, so why couldn't Lexi? Frustrating!