Bilateral Gr I Varicocele is an Ultrasound diagnosis and normally does not require treatment.
Two testis are never at the same level, and a bit of variation is okay.
Masturbation is neither good or bad - it is something which arises out of bodily desire and need for sexual release. A healthy sexual habit is what is important.
Next Steps
You should go see a Urologist who will help guide your further
Health Tips
Masturbation does not have any correlation with Varicocele.