Watch 'Stranger Things' Stars Joe Keery and Gaten Matarazzo Give Love Advice

After the cameras stopped rolling, Joe commented that Gaten just got a haircut and noted, "it's already grown back so fast." Gaten confirmed Joe's timeline and said, "Yeah, I just got a haircut about a month ago, and it's already growing back so fast." Naturally, talk then turned to Joe's hair (I mean, even co-star David Harbour's Instagram account is dedicated to Joe and his hair), with Joe noting that "I gotta get a haircut soon."

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3. They agree on the three qualities most attractive in other people. As if we needed more proof why Joe and Gaten are national treasures, then consider this: When a Twitter user asked them about the most attractive thing about a girl, they answered in unison: "Sense of humor, intelligence, and kindness." (Word of advice: If you want to really make them laugh, sneeze the loudest you ever have—as I did at the beginning of their video—and watch them lose it. True story.)

4. Gaten is wise beyond his years when it comes to dating etiquette. Whether Gaten has been on one date, no dates, or a bunch at this point, one thing is for sure: He knows what he's talking about. When asked about how to be likable, Gaten had the perfect response: "Talk to people. Ask about their day." And what about who should pay on a date? While Gaten admitted that's something he would prefer to do, he noted that he was always taught "whoever asks the person on the date should be the person that pays." Joe, meanwhile, could use some help. "I have no idea. I've never been on date." (Suuuure, buddy.)

5. Joe is a Polaroid bandit. In our Glamour L.A. office, we have a photo wall with fun polaroids of everyone who comes in to visit. So before Joe and Gaten arrived, I placed the camera in a hidden spot in the green room (that way no one would start snapping pictures without asking first). Of course, somehow in the five minutes I stepped out of the room, Joe found the camera—and did just that. Good thing we didn't run out of film for Gaten! But who could be upset with someone like Joe? He's as nice as he seems and offers up these words of wisdom when a fan asks how to get over heartbreak: "You just gotta live your life and do it your way." Keep doing you, Joe. Even if you're using up all my film.