1. They make the same face at the same time, all the time. Stream full episodes of Blue Bloods on CBS All Access.
3. After they shared their first kiss, they were still able to make it work as friends (for awhile!).
12. They were able to admit their true feelings for each other when they had that electric second kiss.
13. Despite their personal connection, they've managed to keep their work relationship professional. Stream full episodes of Blue Bloods on CBS All Access. Related articles: 18 Inspiring Quotes From Blue Bloods' Donnie Wahlberg 9 Things Blue Bloods Fans Can't Get Enough Of 10 Amazing Pieces Of Parenting Advice We’ve Learned From Blue Bloods