Can I recover from nightfall and visible veins?

One of the possible choices is levonorgestrel which can be a success as long as it is taken within 72 hours after unprotected sexual contact, especially if taken before ovulation. Nevertheless, if the event happened four days before ovulation, as you said, the successfulness may be decreased. The rapid reaction to the situation by means of wiping and washing may also reduce the risk but they are not completely effective. The signs which indicate the start of pregnancy are: delayed menstrual cycle, nausea and breast tenderness. For peace of mind, the better you have the pregnancy test if your period is late or go to the doctor for personalized advice. 

HIV spreads through unprote­cted sex - a virus with potential symptoms like­ flu. Fever, fatigue, the­se may occur. Testing provides the­ truth, so that's wise.

It's important to understand that sexual needs are a natural part of being human, not something abnormal. It's okay to feel bothered or depressed about them. Medications like hormone suppressors are risky and can cause serious side effects. Instead, I recommend speaking with a counselor or therapist who can help you explore and manage these feelings in a healthy, positive way, rather than suppressing them.

Masturbating itself won't make­ moles bigger. Moles change­ naturally over time, apart from habits. For tiredne­ss and worse eyesight, re­st enough, eat well, and stay hydrate­d. If overwhelmed, talk to an adult or counse­lor. 

The discharge from your vagina is quite normal and it could turn white. The material used in making the dildo might irritate your vagina hence this. When you see some itching, redness or strange smell together with the white discharge, be sure that you have an infection. To prevent this from happening again, ensure that you always clean your toy before and after using it and also make sure that it is made of a smooth body safe material.