Oh, Frank.
I think every church, every circuit, every gathering of people probably includes 'a Frank'. My Frank is an incredible man; self-confessed grump, stoic, deeply interesting with a fascinating, encyclopaedic knowledge - of almost any subject.
Frank likes things Frank's way. And that's ok. There's a balance to strike between leading a service and being led. Apply the context, 'read the room', all of that matters. Frank was able to brief me well in advance via text in the build up to our service (it's not 'mine')....