Board Thread:Questions and Answers/@comment-24731329-20150219134451/@comment-24930367-20150219180741

...well, not necessarily wedding, it just means that you like certain ship girl so much, whether it's her voice/art/personality (thus loving her), and you do (nearly) anything to make sure you keep her in your roster at all times.

.....at least that's what 'love' in my opinion is. I could be wrong, there are some crazy players out there, after all.