Things that people claim are a metaphor for life:
llamas/alpacas
snorkeling
sports
basketball
trials
crawling
jigsaw puzzles
backpacking
walking
surfing
enhancing performance through "emotional freedom techniques"
porcelain/ceramics
golf
furniture
American Idol
middle school sports
quilting, knitting, sewing, weaving, looming, spinning
baseball
birds
running/marathon
math
delete key
juggling
The Ice Storm
community service
footwear
moving cheese
house building
boating
soccer
Any Given Sunday
driving
fighting vampires and demons
Mulan
The Osbournes
trading
Forces of Nature
Starcraft
Venn diagrams
gardening
The Matrix
tap dancing
the chicken dance
myth of Sisyphus
music
poker
food
business
bike racing
morel (mushrooms) hunting
DNA
chess
rivers
go (the game)
fly-fishing
storytelling
diving (springboard/platform - not SCUBA)
risk taking
candles
rock climbing
football
road
yo-yo tricks
mazes/labyriths
barbecue
art
bike wheels
Psalm 23
partying
movement/dancing
Pilates
The Sukkah
clouds
gymnastics
a script about diverse populations (note: this is obviously a reflection of life, not a metaphor)
watermelon
theater
collage
Lord of the Flies
high school
the interstate highway system
tree
party pants
computer games
jazz
prose
baking bread
kite flying
business practices
roses
old people
Eiffel Tower
Butterfly Effect
taxi rides
the scientific method
sky-diving
crew/rowing
raves
time
the harvest
donuts
candle
fire
soil
smoking