What about mixing up the nanny AU? Claude has a baby and hires Danny (who has three kids and knows what he's doing) to be the nanny. He has his own place, butspends days and evenings when Claude has games at Claude's with the baby. When Claude has away games, Danny stays over at his place and the kids are with Sylvie.
The backstory for Danny being a nanny would be that Danny and Sylvie owned a day care. When they got divorced, he knew someone who wanted full-time daycare and trusted him, so she got the business and he became a nanny. This also means that she often has kids on a field trip to the boys' hockey games, so there's someone Danny can leave Claude's baby with while he coaches.
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The backstory for Danny being a nanny would be that Danny and Sylvie owned a day care. When they got divorced, he knew someone who wanted full-time daycare and trusted him, so she got the business and he became a nanny. This also means that she often has kids on a field trip to the boys' hockey games, so there's someone Danny can leave Claude's baby with while he coaches.
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