The phrase "healthy appetite" means having a good or strong desire to eat. It implies that a person has a natural and proper hunger for food, which is important for their overall well-being. Full definition
Single male average build nice smile good personality outgoing thoughtful caring with healthy appetite desire & stamina. (sugardaddyforme.com)
To be on the safe side, he advises, owners should seek veterinary counsel if a cat with a typically healthy appetite suddenly refuses to eat — even for just a day. (www2.vet.cornell.edu)
For those with a less healthy appetite I'm sure sharing the meal would not leave one hungry. (blog.sa-venues.com)