[billyboy]

Originally Posted by Varley

Hopefully amusing aside. Friend of mine has capitulated to infirmity and now on oxygen (bottles for some reason, not generator?).

This, evidently, calls for personal introduction by qualified pharmacist. As we all know use of Vaseline on the fittings forbidden and this point made firmly by attending gentleman. What I didn't know was that the recommended lubricant is KY Jelly. A point made equally firmly to my friend and attentive wife who then dissolved in giggles to the immediate detriment of the oxygen demand.