I wanted to include a few excerpts from the wikipedia article on limerence, because this condition essentially describes Subaru almost to a T, and is basically why I ended up making it his username. Consider it an addition to my meta entries, and I will expand on this later (hopefully).

Limerence is an involuntary state of mind which results from a romantic attraction to another person combined with an overwhelming, obsessive need to have one's feelings reciprocated.

During the height of limerence, thoughts of the limerent object (or person) are at once persistent, involuntary and intrusive. Such 'intrusive thoughts about the LO ... appear to be genetically driven':[15] indeed, limerence is first and foremost a condition of cognitive obsession. All events, associations, stimuli, and experiences return thoughts to the limerent object with unnerving consistency, while conversely the constant thoughts about the limerent object define all other experiences. If a certain thought has no previous connection with the limerent object, immediately one is made.

Limerent fantasy is unsatisfactory unless rooted in reality,[1] because the fantasizer may want the fantasy to seem realistic and somewhat possible. At their most severe, intrusive limerent thoughts can occupy an individual's waking hours completely, resulting—like severe addiction—in significant or complete disruption of the limerent's normal interests and activities, including work and family. For serial limerents, this can result in debilitating, lifelong underachievement in school, work, and family life. Comparisons made between limerence and substance addiction may draw attention to the constant, free availability of the limerent's "drug of choice," as they are essentially suffering from a chemical imbalance within the brain.

Habit - Seishirou

Projection - Subaru

Two very short pieces of fanfiction that are absolute perfection. Most people get their relationship really, really wrong. This is a singularly incredible example of someone getting it really really right.

[Character Name] Sumeragi Subaru
[Canon] Tokyo Babylon / X
[Point Taken from Canon] Just before X 18.5

[Age] 25
[Gender] Male
[Sexual Orientation] Seishirou-sexual*

*Subaru is completely incapable of falling in love or forming deep, serious attachments to anyone BUT Sakurazuka Seishirou, and has never canonly expressed any slightly romantic interest towards anyone else, male or female. His only other significant canon attachments are Kamui and his twin sister, Hokuto. So while you could make an argument for gay, it's all pretty much moot anyway because of Seishirou.

[Eye Color] Right eye: GOLD Left eye: GREEN
[Hair Color] Black
[Height] idk man he's tall.
[Other] Subaru's eyes are two different colors for special reasons - one actually belongs to Seishirou and was transplanted (through magical means) to Subaru.
[Clothing] Typically dark clothes with a long black coat. Also he'll wear gloves unless otherwise mentioned.
[Language] Japanese (maybe a smidge of english?)

( Rest under the cut. )