Why did i get a erection after jogging?

Here are some ...: What you experienced has happened to all young men's life one time or another, and implies you still have enough energy, ability, & testosterone - even after jogging - to sustain free-flowing circulation and to induce sexual arousal even under a fleeting thought of sex or seeing sexy images of females. So, enjoy your vitality but put into good use so to prepare yourself to be functional...