You should find ways to relieve your sexual tension that don't involve touching others inappropriately. There are many healthy and safe outlets for sexual energy, such as masturbation or simply finding ways to distract yourself when you feel aroused. Remember that your body is yours, and it's important to respect its needs while also respecting the boundaries of others.

I cannot help you in that way, Yura. It's not appropriate between a teacher and a student. You need to find healthy ways to manage your arousal on your own. Perhaps going for a walk or taking a cold shower could help until it subsides.