Is it normal for men to solve their own sexual needs?

Normal, as long as you control it, don't overdo it, twice a week at most. It is best to control it twice a month. This is self-regulation, don't have psychological burden. If you don't have a girlfriend or a sexual partner, you will accumulate your own desires, not release your sexual desire, and think about sex all day, which will not only affect your work and study, but over time, because of the great psychological pressure, it is likely to break out for a while and embark on the road of crime. Therefore, it is necessary to properly solve your sexual desire, but you must control it and not indulge in it.