anxiety
Nerious ANXIETY
Phobic disorder
There are many answers possible for this vague question, however, you may be thinking of fibromyalgia.
the word feelings kinda makes the question vague.... do you mean if you like them?
The word 'vague' is an adjective. An example of a sentence using the word is: He's not sure on the exact spot, but he has a vague idea of the area.
An author can restrain the tone of a passage by using vague, mundane detail and is characterized by short sentences.
vague[veyg] -adjective, va·guer, va·guest.1.not clearly or explicitly stated or expressed: vague promises.2.indefinite or indistinct in nature or character, as ideas or feelings: a vague premonition of disaster.3.not clear or distinct to the sight or any other sense; perceptible or recognizable only in an indefinite way: vague shapes in the dark; vague murmurs behind a door.4.not definitely established, determined, confirmed, or known; uncertain: a vague rumor; The date of his birth is vague.5.(of persons) not clear or definite in thought, understanding, or expression: vague about his motives; a vague person.6.(of the eyes, expression, etc.) showing lack of clear perception or understanding: a vague stare.
vague[veyg] -adjective, va·guer, va·guest.1.not clearly or explicitly stated or expressed: vague promises.2.indefinite or indistinct in nature or character, as ideas or feelings: a vague premonition of disaster.3.not clear or distinct to the sight or any other sense; perceptible or recognizable only in an indefinite way: vague shapes in the dark; vague murmurs behind a door.4.not definitely established, determined, confirmed, or known; uncertain: a vague rumor; The date of his birth is vague.5.(of persons) not clear or definite in thought, understanding, or expression: vague about his motives; a vague person.6.(of the eyes, expression, etc.) showing lack of clear perception or understanding: a vague stare.
This question is somewhat vague. If you're saying you have feelings for him then you could be gay, if you also don't have feelings for girls. If you do still have feelings for girls, but you also like this boy you may be bisexual.
"Crazy" is not considered an emotion in the traditional sense. It is often used colloquially to describe someone's behavior or state of mind as irrational, unpredictable, or unusual. Emotions are typically considered to be specific mental states such as happiness, sadness, anger, fear, etc., whereas "crazy" is a more subjective and vague term.
If by feelings you mean a crush or love, the manga or anime does not exactly suggest these feelings clearly. But on Code Geass Wikia is does say that they are close friends (along with Suzaku). That could be because they are both knights of the round, but other information is vague and it's doubtful.
Can you have an eating disorder without knowing: yes Can you have an eating disorder without trying: yes Eating disorders are mental illnesses, not weight-loss aids, people don't develop an eating disorder on purpose. Often they won't know or believe that they are ill, which makes them difficult to treat. I don't know if this is what you were asking, the question is quite vague. So if this doesn't answer your question feel free to clarify.