And now a fanfiction recommendation! Here's one of the all-time best Trip/T'Pol stories out there:
, by Ragua
Ragua's summary: Trip wants to learn Vulcan, so he goes to Hoshi for help. He makes her swear to keep their lessons secret, because he wants to surprise T'Pol. T'Pol misinterprets Trip's interest in Hoshi, as does Malcolm, and a great deal of misunderstanding ensues. When sent on an away mission, the three senior officers must resolve their problems.
Warning: Make time, because you won't be able to put it down once you start it.
It's engaging and funny and beautifully written. A masterpiece.