Where else could earthly life be mimiced,but in bodies of water, are you now like a big fish in a small pond or a small fish in the big salt-chuck, the changes in human beings,like fish, is quite different with chlorination, affecting mood,awareness, and action.Leaving your computer for a trip to the outdoors,for most folks is refreshing,if other factors are satifactory (no alleric reactions would be noticed) and you just enjoy the abence of a chlorinate space and increase in an area of higher ozination,but if you where chlorine dependent,you may shrink fom the outdoors altogether, and find yourself depressed and melancholic on rural area water systems and outdoor activities . And maybe the city would be more suitable for you than the remote country areas.
Endchlorology Clinic

used in some salmon ehancement programs for directing salmon through the artifical insemination process of salmon eggs. Thought I'd throw in a link.
Ichthyology(chlorination and evolution)