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1.
Similar to the 15 pounds gained in freshman year, the freelance 15 is a similar phenomenon known to occur when someone leaves a regular 9-5 career in favor of going freelance. You eat more, sleep more and generally are less active as you no longer expel the energy to get to and from work everyday.
"I'm thinking about going freelance full-time"

"Just watch out for the freelance 15"
by chetwoolery May 29, 2012