Parents are worried enough. Child 18, you still care that she doesn't like to eat, which means that this child is spoiled by you and has nothing to say. This is not good. You must make her independent. Eating is still useful for people aged 18. She eats when she is hungry. As an adult, she must learn to undertake many things by herself.

You arranged everything for her. What do you want her to do in the future? Can you stay with her forever? Let her never grow up?