So I've been smashing the CLI button after every statement since October 2017 but Discover wouldn't budge.
Things changed when I tried last week, got an increase of $4.3k to $12.9k. I'm excited to see how much further it can grow, gonna try for another after the next statement cuts!
AAoA - 15 months
Age of Oldest Account - 27 months
Util - 3%
Congrats on CLI