Yeah, 3x daily is overkill. And when I've overdone it, I always feel kind of stressed. Not sure really how to describe it. Almost a naughty, icky feeling, but maybe not quite. 3x/wk is usually OK with me, unless I do a lot of surfing on fetish boards. Then maybe 5x/wk.
"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring." - Carl Sagan