Curate, connect, and discover
Okay, forget it, I can't take it anymore.
What if when Jesus is arrested or going to be executed, Matthew wants to go with him but Gaius stops him and makes him stay with him until all the turbulence of the execution is over.
( I don't know, I'm thinking of other very sentimental things that would be more useful for a fanfic explaining what the disciples were doing at that time)