Is this the only grandchild for both sets of grandparents @Bakergirl987 ? This could explain the bizarre, obsessive behaviour - expecting you to visit both sets of grandparents twice a week. That is absolutely ludicrous! Even if you didn't work 2 days a week it would be a bit much.
I worked two days a week when my 2 were little and I did use to pop in to see my mom and dad a couple of times a week for half an hour to an hour, (and DH's once a week,) but my parents lived 10 minutes walk away (and DH's a 10 minute drive,) and it wasn't a problem and they didn't really expect it. They were just pleased to see us when we turned up.
It was MY choice to go. (DH came with me and the DC to his parents, but sometimes I would go alone with them and stay an hour. He didn't come often with me to my parents, maybe one in four times, but I didn't mind, and they didn't either.) Someone demanding visits would be stressful.
My two DC are now around 30 - and neither of them have had children yet. To be honest, I'll be over the moon when/if they do. but also, I don't mind if they never have them. It's really hard to explain. I just want them to do what makes them happy.
I just really hope I don't turn into an obsessive Granny! Even as it is, I only see my 2 DC twice a month. (They live 15-20 miles away.) We Whatsapp each other a couple of times a week though, and will always be around if needed/in an emergency! But they've got really busy professional lives and very busy social lives.
I think when/if they have babies they'll still have those busy professional lives and busy social lives. And then have the baby on top. So I will try not to bother too much - them unless they need me.
I'm sorry that your parents and in-laws are making you feel like this. You need to be really strong and say 'we're only coming to see you once a week.' (Even once a fortnight would be enough tbh.) Also, do you really want them to visit you more? Stuck at your house for hours on end? I prefer to visit people because then I can leave when I want. It's really hard to get rid of people when they come and see you.
Do they ever babysit your child? Have them at their house with you not there?
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