Blood test results !!!! Upset!!!! 🤬🤬🤬

So last week Tuesday I went to the doctor got blood work done for std screening and Saturday I got my results in…. I logged into my portal and come to find out that chlamydia was detected!!! My partner is cheating on me!? Is this why he’s been so distant!!!??? 😩😳🙃🥲 what should I do!?