My grandmother is attending a family reunion in another state for 3 days. My grandfather does not like her family so he does not want her to go. He says he will not take his medication and may harm himself if she goes. She deserves to see her family. They all live out of state and are unable to all get together very often. His dislike for them is highly irrational. He has not taken his medication all day. Not sure what the next step should be. We've all tried talking to him to no avail. Help! My grandma is considering canceling her trip which is completely ridiculous.