I prefer Valentine on a girl but only by a tich. It's just that on a boy, at least as a FN, it comes across as a little smarmy. Whereas on a girl it has almost the opposite vibe to me being kitschy but it a pleasant, down-to-earth way. Disa Valentine is very romantic sounding, it's sort of poetic.
ॐ मणिपद्मे हूं
"Speak the truth; yield not to anger; when asked, give even if you only have a little."
"Live alone and do no evil; be carefree like an elephant in the elephant forest."