If in laws insist on doing, can arrange for the party to take place at your mom's place? Why do you have to be the one to travel over to their house to celebrate when in fact this is your baby and you should decide how it is done. Like if you already give in to organising a baby shower then they have to compromise on the other rules you set. You know, give and take. Cannot be they insist everything and you have to follow. You are the parent so you decide what is best :)
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