You know when you get struck by that sudden FEAR that actually Merlin is going to get all serious and love triangle-y and your favourite knights are going to die and Arthur's going to get his heart broken and Merlin is going to be banished and Uther is going to be a shadow of his former BAMF-y self?
Comfort yourself with this thought - while all this is occurring, they will be wearing distressed shirts.
Exhibit A: Gwaine wearing a distressed shirt. Very well.
Merlin - there's always something pretty to look at.