Backstory tiem! I've been building from kindergarten straight through college. Always had a hardwood floor, never cleaned them up. At the moment I have an estimated 1mil LEGO's, from a childhood of asking for them every birthday/christmas and buying in bulk from yard sales, ebay, etc. Anyway, ive always walked on them and feel almost no pain. Only one that gets me is the 2 by 2 corner brick.