If it is any 'comfort' to you, I've made the same mistake myself. = It might give you 'comfort' to know that I've made the same mistake myself.
When we went out for drinks together, I realized we were getting 'too close for comfort'. [=we were getting closer than I wanted to be]
Knowing that I can rely on your help is a 'comforting' thought. = It is 'comforting' to know that I can rely on your help.
(..) My reign has just begun. You've made great progress. I only pray your grandmother follows your lead, or I fear for her safety. Go home. Find comfort in prayer and good works. The Mother watches over us all. After conferring with His Holiness, the High Septon, we have determined that trial by combat (..)2016 TvShow: Game of Thrones Title: The Winds of Winter Season: 6 Episode 10