Odd things they say

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Does anyone else’s four year old say things to you like: I wish I didn’t have a mama, I don’t love you, I only love my daddy,brother,and gammi(my mil). My kid has not been very attached to me since he was born,but I find it odd that he would say such statements. He is so loving to everyone else. I used to be a stay at home mom with him for three years and have been working the last year. Is it normal for him to be this unattached to me?