Sad but hoping for the best

Went to the dr today for my annual exam explained to him im overt 2 weeks late the ran a pregnancy tests like the hpt (which I have taken) and it comes up negative so they're doing blood work and have scheduled me for a sonogram im hoping it's positive but im getting depressed, I want ttc to be quick as all of us do but im scared to I know im very stressed out trying to find a new job but if I stay at the one I'm at work the stress I don't think we will get pregnant any advice?