Why are my inlaws trying to kill me?~?

My inlaws are staying with me and they keep bringing crap food into my house! My husband and I have told them straight out stop buying donuts and candy and the similar. They keep doing it!

They brought with them their own dark chocolate, which is fine, because I don’t eat it, but then they bought milk chocolate for me, and literally put them out on a plate on an end table in the TV room so they would be handy for me to grab.

It’s not funny. My last cholesterol reading was 270, the one before 330! I just started blood pressure medicine.

My MIL made rice pudding for my husband two days ago (thank goodness I don’t like it) but how is that different than a donut?!

What is wrong with them? Why do they compulsively do this? How do we get them to stop?

I know we can just have will power and not eat the poison, and have no doubt it is poison for me, but I would rather just not have it in my house.

I just took the milk chocolates and put them in a bag and put them in the pantry so they aren’t right next to me easy to grab. Part of me worried they’ll feel insulted, but part of me thinks why should I worry about that when they show no regard for what we have asked. They are literally bringing in food and making food for my husband and me; it’s foods my inlaws don’t eat. It’s not even a matter of they eat it themselves, and I would be denying them they’re own comfort food.

How do I stop them without being a total bitch? Like I said we have already directly told them to stop. They do know my health situation. They do see their son has gained some weight.