Retreat

I just came back from a 3 day silent retreat. Well, not really 3 days, because it started Friday evening and ended Sunday at noon. And not really silent, because I was choking back the giggles the whole weekend, for no apparent reason; I didn't even have any friends with me; it's probably just as well as I would've dragged them down with me to the pit of levity I was wallowing in. Oh, what's to be done with me? And I LIKE silent retreats! Do you think it's all the medication? Is irrational laughter a side- effect of Tamoxifen?