Umm. Yeah, it's kinda romantic. I was with co-workers and actually mentioned that it'd be romantic if the company was different! The River Walk reminded me of the Venetian hotel in Las Vegas and Venice, Italy at the same time. (http://www.thesanantonioriverwalk.com).
Welcome to Tex-ass. YEEHA! San Antonio is gorgeous. Glad you got to see the Alamo! If you want some fun trivia, look up the lore behind the song "The Yellow Rose of Texas" :-)