似海情深情深似海
[sì hăi qíng shēn qíng shēn sì hăi]
The username implies the depth of love or emotion that is as profound as the sea, emphasizing both boundless and reciprocating feelings. '似海' means ‘like the sea,’ often used to denote something incomparably deep, vast, and endless; while '情深' indicates deep affection.