The risks for Herpes have been fully explained to you in this and previous threads. We aren't able to continue addressing anxiety-driven questions about events that you already know are not risks.
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There is no risk from any of this.
The skin on your back and butt is too thick for any virus to penetrate, and spit doesn't transmit herpes.
Herpes is transmitted direct contact - by kissing (hsv1), oral sex (genital hsv1) and vaginal and anal sex (usually hsv2, can sometimes be hsv1). I've explained this to you before.
You really need a therapist and to talk to your doctor about your anxiety. Drinking is not a coping mechanism. It's an avoidance mechanism, and it's causing more problems than good.
You need help. There's no shame in it. There's help available. You deserve to find relief and peace.