No my darling you are not, and don't you dare think that.
Stand at that mirror, or write down and repeat.....I am doing MY best. It's what is best for MY baby.
I was there with you remember. I know how bad it was for you and Katy. Look at her now. She's just fabulous.
Remember the warning signs. Get Mark to watch out for them.
He supports you, you do this together. The two of you are fantastic together.
No you shouldn't be concerned with others, but I know that's harder done than said......not sure what to do there.