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Mycroft decides to try for a baby to carry on the Holmes name. Originally, he was going to do things artificially, until things get sticky and a better offer waltzes right into his lap.
Greg gets some highly unexpected news and is not sure how to break it to the news's father... Mycroft Holmes.
Greg and Mycroft are both single parents, both lonely and overworked, both trying to keep their families together. When they're called up after their children get in a tussle, they find that each other's friendship offers a respite from the toss and turn of their past and present challenges. However, their pups are more than willing to put aside their differences, and offer up something a bit more than friendship as an option.
After Sherlock and Mycroft's parents die in an accident they both struggle with how to cope. Mycroft needs to apply for a job and doesn't have the energy to deal with his six-year-old brother all the time. Enter in one Greg, who Mycroft believes to be Sherlock's imaginary friend, until one day he comes home and he realizes he's very much real.
After his parents’ passing, Mycroft Holmes is faced with a difficult decision. As stated in his parents’ will, he either has to marry or lose his brother’s custody.
Finding himself an spouse isn’t the difficult part.
Not giving his actual feelings away is a little more difficult.