I'm reading http://therationalmale.com/2012/08/29/year-one/ and finished The Basic and the Plate Theory. My question is what does those letter means? (EDIT: Questions answered)

AFC = Average Frustrated Chump

SMP = Sexual Market Place

PUA = Pick Up artist

IL = Interest Level

BY = Be yourself

MRA = Men Right Activist

MGTOW = Men Going Their Own Way

ONS: One night stand, LJBF: lets just be friend, LTR: Long term relationship