Listen up! Us Weekly caught up with iZombie’s Robert Buckley about the CW show’s finale — and, more importantly, how to tell if your dude is a total dud.

“I’m here to talk to you about something very, very special,” Buckley, who plays Major Lilywhite in the zombie series informed fans. “The decline in chivalry.” (Yes, this is a real-life issue.) 

Considering Buckley’s character’s fiancée turned into a zombie, he’s well-versed in the difficulties of dating.

So what exactly does the 34-year-old star consider a red flag? For starters, a backhanded compliment. For example: “Babe, you look so beautiful with no makeup on…while you’re sleeping.” “That’s rude,” Buckley says, adding: “Boy, I wish [these] didn’t come from real life, but they do.”

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Watch the video above to hear Buckley’s top five red flags and when it comes to tonight’s iZombie finale, Buckley promises you won’t be disappointed. 

“If you thought that things had gotten significantly cray at episode 12, you have seen nothing yet,” he teases fans. 

Catch the finale of iZombie Tuesday, June 9, at 9 p.m. ET on the CW.

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