I'll be very brief. My posts here are redundant for many members who see me repeat myself about certain things. I keep doing similar posts to catch the attention of newbies, primarily.
Especially for an RP patient already in penile rehab, and who cannot expect erections anytime soon, consider getting an Elator. This allows for successful penetrative sex regardless of erectile status. Please consider the import of this amazing invention! And imagine having good, thrusting sex again, in the midst of PC treatment and recovery.