...the potency of PDE5s declines and stops working after a few years
I wonder if after the effectiveness declines and one quits PDE5's for x number of years, if all or a large part of the former effectiveness returns?
I have seen no studies on this.
...the potency of PDE5s declines and stops working after a few years
— gotten another brand which works well—
One of the advantages old guys have after the wife has gone through menopause.