I think my mum's being a bit insensitive here.
My sister got a new job yesterday, she hasn't been working for a while, but she's been helping family, pick ups from school, looking after Older family etc.
My mum volunteered her to look after my dog so me and my son could go on holiday with her and my dad. 
Now she'll be working so won't be able to do it, so I just told my mum I won't be able to go. No problem.
Mum just spoke to sister and said Ferris just said who's going to look after the dog and who's going to pick up from school.
I could hear my sister's silence on the other end of the phone!
This is made worst because I haven't even congratulated my sister on new job yet. She got told yesterday and I knew she was coming here today.
I just feel really bad for my sis.
She's trying to get her life back on track, she's had a few ups and downs recently.
I think my mum is becoming more and more insensitive, she's really upset me over the last couple of days about my ds, thinking she knows better me, whilst being amazing helpful with other things. I really don't know how to tackle this.