Fanon is an odd thing. Fans come up with it for many reasons. Because Word of Dante says so, because Word Of God never said so, because it's the only plausible explanation of an event (sometimes it even is!), or just because it's fun!
One popular form of fanon, however, is that which is created simply to make shipping the OTP easier. This is the fanon referred to as The Ship's Motor. In the way [...] [tvtropes.org]