not in the area you have them, mine are towards the front - they are always there though, they don't come and go - funny never thought about them.
Pretty much like I assumed people recognized each other by hearing others voices until 6th grade when they finally gave me glasses and I found out people are supposed to SEE!
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?The first duty of a human being is to assume the right functional relationship to society--more briefly, to find your real job, and do it.? - Charlotte Perkins Gilman
"There never was a good war, or a bad peace." - Benjamin Franklin