I am a particular fan of integrative exercise - that is, exercise that occurs in the course of doing some productive activity such as gardening, bicycling to work, doing home improvement projects and so on.
Homesickness is nothing. Fifty percent of the people in the world are homesick all the time.
Almost all quality improvement comes via simplification of design, manufacturing... layout, processes, and procedures.
Projects of personal transformation rarely if ever succeed by accident, drift or imposition.