I vote "pleased", for the rather weak reason that this makes my preferences time-symmetric*.
* Edit: This is poorly-worded - what I was referring to was time shift symmetry.
But nothing else about the universe is time-symmetric, manifestly including our own revealed preferences -- I would rather be happy in the future but not in the past than be happy in the past but not in the future, if you gave me the choice right now. So this is the only argument I can think of to vote "not pleased" (of course, not displeased either) about one's past, but unremembered, happiness.
(I actually do vote "pleased," though, for the reason I argued here.)
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