I guess no one has put you on to "Research Chemicals"? Really, with all that gear, you have never look up Tadalafil? Well that should take care of the money issue.
I never feel comfortable dispensing bedroom advice but maybe if you could get her there quicker, you could also finish quicker. Hint: Batteries not included.
For the record, if my wife told me what yours told you, I'd blow my goo before I got my jeans off.