Gail, "what happens if you use lots of long finish nails and lots of caulk adhesive on trim?"

A Beautiful Mind responds:

These blocks support a shelf and a clothes rod. They must be very sturdy so I used lots of nails and caulk:

I changed my mind and decided to put a gun safe here instead:

This is what it looked like when the block was removed. Ooops!

I changed my mind again and wanted the block back so I cut the hole square and added wood backers.

New drywall:

Ta Da. Back where I started: