Not stressing over it anymore

I recently took some time away from tracking and taking tests. I have been regular on my cycles but I am now 6 days late I took a DG brand 98 cent test it was negative but my SO thinks I need a real one as he says. I spotted very light for less than a day, I am sure it's just stress that has caused another messed up cycle. He however thinks its maybe a baby, so should I try another test for his peace of mind? Help lol cause I cant take anymore of this up and down with ttc