Why wouldn't we need it?
Why would we?
How else are we going to get the bread to rise?
Will you guys be annoyed if I bring back that chickens and quacks picture, for no particular reason?
Would you believe that I wouldn't?
Would you believe that the anagram for
I Wouldn't is
Wold Unit, wold being an Old English term for a forest or an area of woodland on high ground, of which its tree are of wood, in turn (which rhymes with term and tern, the latter a bird that doesn't nests in trees), rhymes with would?