mare k. tries to cheer people up, tries to bring some happiness to new york. >> and it works, simple water balloons and just the ability and in that moment to just cut loose. be like, no, i don't want to play. >> watching this, everybody just seems to have a blast. >> so cool. we need to let our hair down a little more. everybody is so busy in their phones. let's interact a little bit. >> and his energy, his face is contagio contagious. you cannot look at mare k. and be like, no, i don't wanna play. >> the cool thing is even in a suit jacket. i honestly thought he was going bro, no. >> even the girl holding her cell phone was like ugh, yeah. everybody seemed to have a great time, his energy is infectious and i love it. >>> in the last few weeks, we've learned that our friend roman atwood became a dad to a beautiful little girl, cora. he takes us on a journey to her first surgery. >> things are going to be good no matter what, it's going to be for the best. >> it's nothing serious but she was