Multiselect list some options grayed out and italicized

I encountered the "Multiselect list some options grayed out and italicized" issue when setting the multi-select field values to be from a field in another table, unrelated to the relationship issues mentioned above. It's related to the length of each multi-select option.

Although you can set the multi-select values to be from another field, no single option in a multi-select can be longer than 100 characters. So I used a formula to get the values and abridge them to 100 characters or less, now it works fine.