Viggo spent a little too much time gazing into the palantir.
I never wanted to burst anybody's bubble on this one, but the Dúnedain were beardless, as were their Elven kin...
You figured that after playing arguably the most import role of LOTR, he would have walked away with a sense of perpective on the nature of evil and the absence of good men who do not step up to put an end to it. Tolkien would have surely beem dissappointed. But then again Mortensen is just an actor. Enough said.