Board Thread:General Discussion/@comment-29953816-20160912172604/@comment-1515612-20160913172151

Annabeth was in "love" with Luke (See BoTL prophecy: Loose a love worse than death) and Luke was actually in love with Annabeth in TLO, but Annabeth realized she didn't actually love Luke.

Rumor has it that Nico likes Annabeth. See: HoH for that.