MUSIC: The Rumble SF presents a Noise Pop warm-up show, featuring the sultry, trance-like sounds of eclectronic duo Blackbird Blackbird, the looped and layered lo-fi vibe of Phantom Kicks, and Letting Up Despite Great Faults's intoxicating blend of shoegazey infused dream pop.

9 p.m. // Milk Bar (1840 Haight Street) // free, RSVP

PARTY: Speaking of Valentine's Day flowers, Jungle Love! After Hours Party at the Conservatory will make your measly bouquet wither in shame. Take your sweetheart or fly solo while enjoying 12,000 square feet of exotic, fragrant and rare flowers, a cash bar, live music, poems on demand, and the only chance to see the crafty and creative Garden Railway after hours.

6 to 9 p.m. // Conservatory of Flowers (100 John F Kennedy Drive) // $5

SEMINAR: Attention Adventurous Daters: Attend the library's How to Write a Dynamic Online Dating Profile, and learn how to compose a compelling handle (or username), a clever headline, and a unique portrayal of who you are and what you want in a partner. (Fact: this contributor met our spouse online back in 2002.)

6:15 to 7:45 p.m. // Main Library (100 Larkin Street) // free