What is this feeling?

 Mason's POV
 The first time I saw him, I thought of him as a hardworking minion.  What I thought was going to happen to us was that we were just going to be friends.  We would talk alot at first, then we would acknowledge each other's presence when we pass each other in the castle. 

 Boy, was I wrong.

 The moment I saw him, I started to have butterflies in my stomach.  I only had that feeling once and it was impossible for me to have feelings for him.  I don't even know the guy's name!

 We got to know each other fairly quickly.  I got to know his name (which is Mark), his childhood (which made me feel bad because his childhood was very rough), and so many other things.  We started to get along very quickly and we soon became best friends.

 The biggest problem I had with him is that the butterflies in my stomach would not go away whenever I'm with him.  I tried relaxing, taking time off from work (with Bowser's permission), and much more, but none of the methods worked.  In fact about a year after we met, the butterflies started to get worse!

 I want to ask my friends for help, but I don't know if they have had this feeling before.  Plus, I'm terrified that they will make fun of me for having this weird feeling.

 I don't know what to do.  I want to tell someone, but everyone sees me as the minion that never has these kind of problems.

 I want to know what this feeling is.