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How to tell college is back in session:

1) Walmart has about twice as many people as its usually-high normal.

2) The beer aisle and the condom aisle are packed to the point of impassibility.

3) There’s a cloud of college-age kids of both genders hovering around the condom aisle who don’t really want to be seen as “in line for the condom aisle,” but who clearly don’t want to ruin their plans for the evening/week/weekend by not buying condoms, either.