have namechanged for this...
A friend bought us/me one a year or so ago. We have kept them in supply ever since. DP is just as keen as me. However, the past few times we haven't been able to find one (keep them dotted about in hidden corners out of reach of curious DCs ). The sex has been so monotonous I'd rather do it on my own !
So am I an addict or is this normal after a few years of monotony monogamy/ 2 DCs?