My penis got shrinked

Became too small i was masturbating daily like 3,4 years n i was doing quickly i was just thinking about cuming…like before getting hard only nw i got pe and it because small… anyone have any idea abt this any way to make it big like before

Cardio exercises like an 10km exercise bike ride and strength training with weights

Try a pump and argine supplements at least 30minues exercise 5 times a week