Thank you for all the great advice so far!
There are no known medical problems for which my OH needs to take medication, other than some iron supplements. We have also changed from pill to coil, in hopes that this would improve things. We are no athletes but no couch potatoes either so should be fit enough to orgasm.
We shall try in the morning, but I see already a couple of problems with that as OH is the kind of person who wants to get up and do what needs to be done that day before "fun time". Also she usually does not sleep particularly well so I think she is actually not that relaxed in the morning.
We have tried hour long massages, prior to anything, and while it was enjoyed and relaxed her, there were no improvements. Long baths, also did not help, but were also enjoyed.
We communicate very openly and all fantasies that we could come up with have been discussed. I'm open minded and there has not been one which was mentioned that I said no to.
I think as others have mentioned it is the "mind block", but how to get rid of that? She is a cerebral person, always thinking about things, but we all have busy lives and have stuff at work and at home, how are others doing it, to "switch off"?
I'll encourage her to read erotic stories again, I remember that she has enjoyed those in the past. I also agree with what has been said, that it is more likely to be successful when playing solo, so that she can fully focus on herself. Might also have a look at wands as an option as that is pretty much the only toy we haven't tried yet, can anyone recommend one?
Vixenchel, do you remember the medical condition of your friend? Also sorry to sound stupid, but what "push squeeze" do you refer to? Pressure on the G-spot at that moment, or vaginal contraction with the pelvic muscles?
LIL_KNOWN69, OH doesn't really enjoy receiving oral, and in fact is getting more pleasure from giving it. I have questioned my technique, but previous partners have enjoyed what I did, and reading up to improve my technique and get new ideas also didn't help.
A friend of my OH has recently suggested to her that we should change our relationship to an open one, so that she can be with older/more experienced gentlemen that can "show her how to orgasm". Apparently this scenario would potentially include me seeing other women to "learn". I'm not sure what to think of that, but feel guilty that I'm not able to help my OH orgasm.