Trying to get my 4 1/2 month old to accept a bottle and having difficulties. She used to take a bottle when she was younger, but we (unfortunately) were not consistent and now she does not want to have anything to do with it. I have a drawer full of different bottles and nipples/flow rates that have not worked. I was wondering when the best time of day is to try giving her a bottle and how long to try for. I read that you should try for about 5 minutes and if she doesn't take it then stop and try again in an hour. How long should I let this continue? I don't want to stress her out and have her crying for hours and hours. Any suggestions would be greatly appreciated.