im using a manual tomee tipee pump, but can only get an ounce a time out both boobs!! is this normal! i tried this morning coz i was told this is when boobs r most full!!! but still only got half oune out of each boob!! i was planning on going to a family do on fri and wanted to have a couple of drinks!! not enough 2 get wasted just 2 or 3, so wanted 2 express enough to cover the night feeds!! somebody suggested giving formula for the night can i do this!! i havent given jack formula b4!! he is also putting weight on fine so my supply must b ok!!