"you have to admit that you're not known for changing your mind"
I think I'll stand by that statement as written. You may recollect a tiny handful of occasions on which you've changed your mind, but I'll bet that if we took a poll, nobody else would recall them--you're not known for changing your mind. Maybe you've been a little too successful at projecting a steadfast "stay the course" image?
Suggested poll questions:
Which word or phrase most closely characterizes TB's skull?
a) neutronium
b) class 10 containment field
c) event horizon
d) permeable to reason
e) a,b,c
Which word or phrase would you most closely associate with TB?
a) stubborn
b) adamant
c) dogmatic
d) a,b,c
e) open-minded