To @dgd1953 "Thank you"...you are the first of the gents to mention that you use an auto-injector device. That sounds more promising than using my own action to insert the needle then push on a syringe plunger to deliver the 0.5 ml of liquid Trimix.
I guess I can move on now to ask what it is like...I heard you get an erection than basically can last 3 hours. One gent recommended several pills of Benadryl to counteract the Trimix. Without a prostate, seminal vesicles, and vas deferens, I know you can still climax, but I wonder now if you "last longer" before climax, and/or if you can have multiple climax experiences since you don't ejaculate and go flaccid shortly thereafter like when you did have a prostate, seminal vesicles, and vas deferens? The Trimix keeps you hard for upto three hours, so hopefully you get multiple orgasms for however long your wife/girlfriend wants to keep it going during those potential three hours, since she "is" capable of multiple orgasms. Would love to hear about all of this.