My first response would be if he doesn't like how you do things maybe its best if he does it. You get to choose how you do the task if you are doing it.
But really sounds like there is other issues going on here.
I am no expert or vet either.
Me late 30's W mid 30's T 15, M 10 S4, S7 ILYBNILWY June 2015 In house S July 2015 W rings off Oct 2015 My ring off Feb 2015 Separate houses June 2016