I would. I've fed my friends baby before. I was babysitting and she drank all the expressed milk i'd been given. I rang up her mum and asked her if i should go out and and buy a carton of milk for her. Then i said i've got a crazy idea here and if you hate the idea don't be afraid to say, theres a chemist 2 minutes away where i can get some forumla from, it's not a problem but I don't mind feeding her if you don't mind and don't want her to have formula. She was over the moon i think she would have jumped down the phone if she could. When I said I would have to get some formula she was asking her DH if he would mind if they cut their trip short cos she didn't want her to have it so i thin