back the wrong horse
fail
go wrong
miscarry
support
back the right horse
unthrive
lay an egg
shore
break down
fall back
strike out
underlay
bail
advocate
whistle for
not be 100 percent on something
loyalize
wrap one's arms around
fall through
stut
keep one's fingers crossed
wear down
bootstrap
discountenance
stand by
get ideas
let someone down gently
strike out looking
turn against
hold out
draw a blank
cut bait
take the wind out of someone's sails
stand behind
throw one's weight behind
fail at life
back
leave someone out in the cold
mismotivate
whistle in the wind
cook someone's goose
woo
truss
promise the moon
miss
overpersuade
fight
gun
wed