ive been with my partner for over 10 years and 6 years ago we found out we both had chlamydia we both got treated and i had a test after and it came back negitive my bf didnt have a re-test now just recently i found out that i have chlamydia again so myself and my bf got treated again but my bf results came back negitive before he got treated i cant understand this why have i got chlamydia again when i have not cheated on my bf this is breaking us apart as he thinks ive cheated on him please help