Egg, that reminds me when I was in labour with ds, I was sooo calm and breezy, loving my tens machine, all smiles etc etc.
Dh couldn't believe it, he thought I'd be shouting and swearing at him, telling him to feck off and never come near me again. But no, I was all 'i love you dh, I'm so excited our baby is coming soon' blah blah
Then he brings out this tube of pringles... 
I roared. Even the midwife jumped out of her skin. Felt good it did!