(How on earth do you spell her name correctly-)
1) She is married to Liu, they started dating on the last month of high school and both of them suffered greatly from this due to the obnoxious amount of jealous people. David for once backed off and just let it happen, of course not for long.
2) Her eye glows but her light dims in the daytime and brightens in the dark, it's so her other eye doesn't become blind from the lights strength. She can also control people's actions, simply explaining it as telekinesis but she can only use it on humans.
3) She has severe agoraphobia, a fear of men, because she trusted Jeff and Liu before the incident with David she still trusts them, but she tends to kill men more. This is because of the adrenaline rush and she snaps completely when seeing a male and will kill them. Unless they seem way to intimidating.