Thinking outside the box you might give consideration to learning to like cold showers...that would solve one problem. Your wife would need some persuasion I reckon... 
http://www.thehackedmind.com/7-reasons-to-take-cold-showers-and-1-that-really-matters/
http://www.thehackedmind.com/7-reasons-to-take-cold-showers-and-1-that-really-matters/