I went nine months then got it.
Then I went thirteen months and got it.
In both instances, there was the faint possibility I would get laid and I feel this somehow rallied the Hormone Troops... "Alright, boys*, I know its been a while but we got ONE EGG left in storage! Its dusty and dented, but boy-howdy I think it can work! We're going over the top with this bastard! We're going to ruin Trudy's weekend and or/create an actual bastard! Whaddaya say, boys*? WHOO AHHHH
(*no woman would do this to me)