"It helped to improve( A lot ) my strength"

I didn't fully believe Ronan at first, and i try it anyway, to refreshing my skills in Exercising. 
 During the course and Eventually, It helped to improve( A lot ) my strength ( lifting things and other activities in daily life, my Endurance ( clearly seen in football ) and ( Sex ) . And i do see my muscles a bit more appealing, ( one of the things didn't change for years ).