You are not doing anything wrong 😊 You are the world to your son. He's not necessarily more playful or happier, but rather he probably reacts that way because dad/grandparents are a novelty - something that perhaps he hasn't experienced that day or for a while. Babies don't see themselves as separate from their mothers until around 6-9 months when they realise they are a separate person - so your son definitely relies on you and knows you are his mum 😊 Also, babies develop their bond with mums (comfort, love, cuddles, needs being met) differently to how they develop it with dads (play, humour etc), so you may be seeing the start of this difference 😊 You are doing amazing 😁
@Jade this really made me feel better thank you so much ❤️
He hasn't forgotten! He's probably just starting to really notice others. Soon he'll develop separation anxiety and it will go to the other extreme!