Don't let it control you. Im 21 with two kids and a hubby and I still watch it lol. It's a sexy strill to me! But I have dated people addicted to it. Just never make it a priority of your day. Maybe the highlight of your day of it's A dull one
You will have to plan reducing frequency of masturbation. Doing 4 or 5 times a day does not mean you are really enjoying it. To control your urge, you can learn abdominal breathing for 10 minutes twice a day.Google the phrase and learn it and practice it regularly. whenever you want to control unwanted urge just take 5 or 6 breaths. The urge will fade away.This will require some practice.Breath controls your mind and mind controls your body. If you do it with positive attitude you will succeed. Another method is circulating sexual urge around microcosmic orbit. This method converts your sexual urge into mental energy. In spite of this if you still feel aroused, you may masturbate following the tips given below.
Use lubricated hand. do not stop breathing while doing it. relax your perineum. empty your bladder before you do it. Do not do ti in prone position. Do not hurry. This will give you more pleasure with less frequency of masturbation.
If it's taking over your life, then I think you should try to ration the frequency as best you're able.