Wow- that little guy sure took a lot. I congratulate you on both your patience and skill.
You might just feed him up longer but give him a very brief brumation-that has worked for me with checkereds in the past.

Mike-I'm always jealous of you guys with all the cool sirtalis morphs-these are restricted for those of us down here in Texas, where the entire sirtalis species is protected because of the "threatened" status of the Texas Garter.