First time poster here, and not sure if I should keep my nose out or get involved?
My nephew (5) lives with his mum 75% of the time and the rest with my brother and his wife due to work commitments but the days/timings generally work well for both sides. I see my nephew every other weekend and without prompting he will tell me that he hasn't cleaned his teeth or that mummy doesn't bath him at her house, that he has sweets for breakfast or even that mummy forgot to get me breakfast. I think he's telling the truth, he isn't one to lie and he's not trying to get the same treatment at my brothers/with me i.e he loves bath time, asks for porridge or strawberries for breakfast etc.
His mum is lovely. Really caring. But quite lazy, her house is dirty and untidy and she'd rather sit on her phone than tidy up or sort the garden out. Should I get involved tactfully? I feel like he's being neglected when there, but how do you even start to confront it? He's missing out on basic things yet I absolutely do not want to jeopardise my brother's involvement or not see my nephew, as someone who can't have children he really is so special to me.