Refusing to test!!!

So im four days away from af and im having an ache in my abdomen like ive pulled a muscle, sore boobs, ive also been a little nauseous and overly hungry but...I am refusing to test until tuesday as i promised myself last cycle i wasnt gonna be the poas addict i used to be...but if it isnt a bfp this month im giving up ttc for a few cycles as were going on a family holiday in august 2016 and i wouldnt be able to fly anytime leading upto august!!