If you never had any out breaks it’s most likely to be false positive. Everything below 3.5 is 50/50 chandelier for false positive. The test is very sensitive and can pick odd proteins from being hsv1 positiv. The western blot will tell you for sure. You have to wait over 12 weeks after possible exposure to get accurate testing. The body needs time to build antibodies. You will be fine, plus he tested negative, which is great indicator