Can't get pregnant without it....

I'm on CD 13 today ( AF August 2 ) I decided to take an ovulation test today just because two days ago on CD 11 I had a huge glob of brown tinged EWCM. I also had a bit of pain like when you're ovulating. I never for once thought that I could be ovulating Bc I have a 33 day cycle and usually ovulate around CD 17-18. Well I took the Clearblue digital test and it came out positive. My question is: is it possible for me to could have been positive since 2 days ago? I'm nervous because I don't want to miss my egg. We BD on Friday but he's tired yesterday and today. Ugh. He tells me we could try tomorrow, but what if tomorrow is too late? I'm freaking out.