Hi. It's quite common for them to do this. I get round it by constantly changing their food. Keep em guessing We only use the foil packs and ours have always liked the Felix As Good As It Looks varieties. But there is always dry food available throughout the day too.

Ian.

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"Always turn and look when your cat gazes behind you with that intent look in her eyes. Some day there might actually be something there." - T.S. Eliot