DS2 is due early December, DS1 will be 3y6m, DM has made comments twice to the effect of -'when I'm looking after DS1 when DS2 comes'. Trouble is, I wasn't thinking of asking her.
DM lives 2 hours away(was 3 hours till recently) and contact with DS1 has been limited - maybe 1-2 days every 2-3 months. They get on fine and DS1 is happy to be with her. Problem is that DM doesn't seem to 'get' baby/toddler. She'd keep him safe and be completely reasonable in what she does, but she doesn't seem to be able to handle anything remotely toddlerish. I am an only child and I think it sounds like I was a pretty compliant baby - DS1 is a regular preschooler! - and I am 45, so all DM's experience of babies is a long time ago. She's sat for us twice and on both occasions we had to come home early as DS1 had woken (not her fault) but DM had been unable to settle him (he was deranged on both occasions tbh). Add to that DSF who is very needy and cannot bear her to be away from him. So she will potentially have to up and leave him at any hour to come and be at our's for unspecified length of time.
I had in mind our neighbour to have DS1; she has babysat him, he's gone to bed at her's ( though not stayed all night), she is mother of 2, GM to 4 and 'been there, done that' - unflappable and knows all the tricks.
So how do I get out of this one (if that's what I should do)?