A Happy man in a wardrobe.
In a land called Fabulous. It's a lot brighter than Narnia.
Is like creating a masterpiece work of art and never showing anyone it's beauty.
Being a closeted gay is like spending years in school studying and learning the curriculum of your favorite subject. Learning all there is to know about it, acing your classes, and getting your masters degree in that subject, making it your expertise. Being completely knowledgeable and certainly qualified for any job in that profession, yet never applying for the job of your dreams.
An unsigned check for $1000.
A shovel without a handle.
A god with no adherents, disciples, believers or followers.
A sincerely written letter, in envelope, that has never been properly addressed or stamped.
Somebody acting like something that they are supposed to be, when they are not what they are supposed to be, and when what they are is unnacceptable to the public at large.
You could say describe them as a liar, but it is a necessary lie.