The Democratic congressman’s mouth corners appeared especially shiny during his response to President Donald Trump’s State of the Union address — and many online were quick to accuse him of drooling during his address. The alternative theory was an overzealous application of lip balm.

“Marco Rubio had dry-mouth during his #SOTU response in 2013. Joe Kennedy has drool-mouth,” tweeted Frank Luntz, the prominent Republican pollster.