And I will give you a concrete example. About a month or so ago I was arguing quite forcefully in support of the single-origin 'out of Africa' model of Homo sapiens evolution. Now, in light of some articles I've just read the past couple days, I have provisionally suspended my acceptance of that to reconsider the multiregional hypothesis. That doesn't mean I've rejected the former. It means that my confidence level is somewhat diminished and I intend to revisit alternative viewpoints whenever I have the opportunity.
That's really admirable. Truly.
I've gone through a similar experience from the other side of the river here.