Joseph F. Smith probably authorized Apostles Clawson and Cowley to marry their plural wives after the second Manifesto of 1904, since he did authorize a close friend to perform one plural marriage as late as 1906, and o. k. 'd another one that occurred in 1907.
Nobody is strong 100 percent of the time, or falling apart 100 percent of the time; sometimes you're doing both at once.