More than a month the flavors can get weird. Since I dry hop in the keg, I've have several oppertunities to find this out. By the time I decide to transfer the ale, the flavors are in the ale to stay, or there just isn't enough to bother transferring.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk