Sounds like old mate has a bad blind spot there!
But I've struck the same thing in the past too; one small engine mech who worked in our family OPE business was much the same.
Brilliant at small engine, farm machinery and milking machine diagnostics and repairs. But treated his own gear like Poo, especially his car!
Cheers,
Gadge
"ODK Mods can explain it to you, but they can't understand it for you..."
"Crazy can be medicated, ignorance can be educated - but there is no cure for stupid..."
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