Can you solve this little joke?

[pooja]

What has 4 legs in the morning, 2 in the afternoon, and 3 in the evening?

 

[Elves O]

I know not, but only help you
This is not joke and riddle s
love,
Kisses ..
*-*

 

[Starbucks FTW!]

A man. In the morning (infancy) they crawl (4 legs) and in the afternoon (years after infancy) they walk on 2 legs and "night" means old age and they walk on 2 legs with a cane (2 legs + 1= 3!) I hope that's right..

 

[erm]

a crazy scientist's cat?... xP

 

[erm]

a crazy scientist's cat?... xP

 

[Stalker]

a person. 4 when hes crawling (baby). 2 when walkin (adult) and 3 when he needs a suport stick thingy (elderly).