A speed-based system for controlling a pump displacement to control a pump flow rate of a hydraulic pump in a vehicle, such as a hybrid. In particular, androgen deficiency in the aging male, also known as the male climacteric andropause or the male menopause, can be treated by ethisterone or ethisterone derivatives. The castellation blocks and inputoutput pads are encapsulated and held in place by an encapsulant. A compensatory response by the device in response to the detection of insufficient supplied power may be provided as well. The two handlebars are fixed to the linkage and located beside bilateral sides of the seat cushion.