Welcome to the Pet Rescue Community
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Don't worry not everybody has it Maja, myself for example and quite a few of my friends. It's seems to be a trial at the moment, don't know how familiar you are with social gaming but this is pretty common thing to do when testing out new features before rolling it out to all or scrapping the whole thing. (let's hope it's not the latter)
I've asked before on how to make sure to be included in these things but was told it was not possible as the selection is made at random, you either get it, or you don't, it's not about being fair or not, it's just the way it goes.