In this line, the two came back talking about emotions and feelings of a pregnant woman again.
the poem is contrasted " i've eaten a bag of green Apples" is like when eef and Adam eaten an apple after that eff and adum are the curse from the Apple. is compared to The mood of the women around to childbirth,
it's natural of pregnent, it's a torment that women will be found absolutely no one can avoid.