I think I was 17 ish - he proposed the cinema, which wasn’t a great choice. When I get there, he proposes, v enthusiastically, that we see the 3rd LOTR film. I tell him I haven’t seen the first 2 - it’s no problem, he says, you’ll soon catch up.
Well fuck me. Three fucking hours of incomprehension. I had tried to read the books several times, and given up because it wasn’t my thing, and had had no interest in the films as a result. Had no idea what was going on, but it transpired he was a super fan - he was on the edge of his seat for the whole film, despite, as he told me, that being his THIRD TIME WATCHING IT. He also showed me his tattoo, in Elvish 
Get to the end and he informs me he’s got to run to catch his bus. Reader, he did NOT get a snog, or a second date, which he optimistically thought was a possibility 