Richard replied bluntly as the safety harness automatically clamshelled comfortably around his hips and shoulders.

lympho- + -oid → lymphoid

a single miner is often found pursuing his solitary labours at a string or thin vein of ore

I have never heard this given as a reason for writing H/C fanfic from those authors I have met or spoken to ... certainly, in my case, I am not aware of using my fanfic to work out personal problems, even though much of what I have written falls into the H/C category.