How to know if i have herpes, i'm confused?

Medical eval: Herpes Simplex 2 is the most frequent cause of genital herpes. It appears as a cluster of lesions that look like blisters. The lesions can appear on the penis, anus, labia or cervix & they can spread, coalesce followed by crusting over. The fluid in the lesions is very contagious. Some people contract Herpes Simplex 2 without symptoms. Cold sores are painful liquid filled blisters that can occur

Herpes: Herpes is best diagnosed by blood tests. Sores are only seen in ten percent of those infected.