My hair's been washed every day except one (when I was a bit busy giving birth) for the past 55 years!
I developed greasy hair when I was eleven, so started washing it every morning in the shower, and even though the grease is long gone, it's still my routine!
How on earth anyone can bear leaving more than a day between washes is beyond me, it must feel horrible.
I have it down to a fine art now, it takes literally moments to wash, condition and rinse, and if I'm not planning on leaving the house I just put in back in a headband to dry naturally. It only gets blow dried and styled if I'm going to be on show!
Before anyone tells me how stripped of natural oils my hair must be, it's in perfect condition, thick, bouncy, shiny and with only a very few grey hairs showing through, I'm still naturally dark honey blonde!