live to regret
fear
shame
guilt
regretlessness
pity
rue the day
self-reproach
compunction
remorse
too bad
regrettable
regrettingly
whip the cat
sayang
apologize
wear sackcloth and ashes
desire
bewail
deplore
bemoan
lament
repine
regretfully
eat one's words
regretting
afraid
put behind one
I'm afraid so
no such luck
regret
ruesome
regretter
Ichabod
regrettableness
regretfulness
not want to do that
apology
bottle
F
regretful
pang of conscience
seem like a good idea at the time
sorry
repent
attrite
look back
repentance
penance
penitence
have a bone in one's leg
could have, would have, should have
mean
ochanee
alibi
reabsent
leave
whoops-a-daisy
sorriness
if only
whoopsie-daisy
alack and alas
prick
penitent
repentant
afterthink
lamentably
sorry for oneself
beat up
oops
forget
repathologize
for old times' sake
remorselessness
reliving
soz
withdrawingness
re-experiencing
misremembering
exculpatory
confusion
mix-up
miss
absentation
reforgive
reminder
overpass
remorseful
may the Force not be with you
forgetfulness
stumble
kick
prodigal
misrecollect
nostalgize