Late period

My period is now 13 days late and I have a 5yr old me and my fiancé have been trying to have a baby for 5 yrs together because my son isn’t his everything about my body is changing and he’s having body changes also suck as sleeping alllll day after work i to my appetite my skin everything I know it’s to early but I brought a test but don’t wanna take it due to all the other negative test I’m freaked out hes like your pregnant I’m like I’m just late but I’ve changed all my habit cleansed my body of all toxic things and less stress I’m afraid Rn idk if I should wait or take it now what do you guys think !!!