Taeyang: I can't think of anything to say. You step backwards shuddering. You say that now I scare you. You're the moon* that makes me crazy.
*Moon - opposite of what Taeyang's name means in Korean. Taeyang = Sun.
(Thanks to DT for the translations!)
Fan-made mix of the teasers that were released so far:
Source: Nazuki@BestizLabels: Monster, Still Alive Special Edition, Taeyang, Videos