> “I’ve actually run out of space,” Jacobsohn says. “I have 30 boxes in the attic. My wife wants to build an extra room on the house.”

My guess is she'd actually like for him to stop collecting this stuff.

Psychoanalysis could be very helpful here.

Particularly a look at the relationship with his mother..

This book comes to mind:

The Drama of the Gifted Child: The Search for the True Self By: Alice Miller