I've posted about this a few times before and I'm at the end of my tether with it now. I'm sick of people telling me how raise my DD, it's not even advice I'm getting, it's instructions. My sisters were round today and kept saying I have to start leaving my 3 month old DD to cry or she'll never learn to sleep. I didn't once ask for advice or complain about DD and her sleep at all. I said several times I was perfectly happy with things the way they were. They also tutted at me when I put DD in her sling for sleep and then started talking about me when I went into the kitchen.
I'm at the point where I'm going to end up being rude which I don't want to do but I'm sick of them constantly implying i don't know what i'm doing.
My sister also fed her son a greggs sausage roll and a fruit shoot for lunch which made me 
at least I know they don't use mumsnet