It is perfectly normal to have 5 pairs of running shoes. I need one pair for the trails, one for the roads, one for my speed work, one for the treadmill, and an old pair just to walk around in.
FASCINATING FACTS Your body contracts the muscles that focus your eyes about 100,000 times from sunup to sundown. If you wanted to give your legs an equivalent workout it would require walking at least 50 miles every day.