Feed them and play with them...and try not to forget to pause them anymore. Also a helpful tip: When using the html codes for color..if you want it to work the only thing you put in the bracket at the end is [/color] don't put [/color:white] because it wont work.
I understand the solutions that everyone has come up with to help you with your tamagotchi problem, but what I don't understand is what you mean by fighting. Can you explain that to us better? Were your tamagotchis possibly sick?