I don't think it's a big deal. 1 in 2 Americans have Herpes Simplex I. In others words, half of the people you've ever met have Herpes.
Odds are you've kissed many people with Herpes that were asymptomatic. Herpes is a virus. Both simplex I/II can be detected in the blood. Herpes is not deadly.
Load her up with Valtrex and have a great time.
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