I have been on the pill (Yasmin as well) for about 8 years and I've been fine without Met for all that time. The pill cleared up my acne and excess facial hair even though it did cause to gain an initial 40 lbs. I'm still on the pill now and I've been at the same weight for over 3 years now.
The reason I've gone on MET now is because I want to start trying to conceive in a year's time and my doctor said I should get my body used to the MET from now. Also he thought the MET might help me lose some weight. (I haven't lost any yet but I've only been on it about 3 weeks now)
So in summary, judging from all the time I've been on the pill without MET I don't see why it would be a problem to go off it. I've also heard that long-term MET use can cause problems with your liver, though I haven't done any research on that so I don't know how true that is. Hope everything works out!
