Is this the beginning of the end?

My husband, out of nowhere, told me not to freak out if I saw the Zoosk dating app on his phone. He says he accidentally clicked on it and it downloaded on its own (iPhone doesn't do that on its own) and that he keeps deleting it but it won't stay away. I don't go through his phone except to make sure he turns the volume up and has alarms set, otherwise it's glued to his hand. Should I worry?

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