Dick pics?? Cheating ??

So my SO likes to take dick pics, he either has them saved or on his deleted album, so I would go through his phone but NEVER Find him talking to anyone sending them or any cheating websites so I’m like mm why do you need to take dick pics? He doesn’t send them to me either!! About 2 months ago I asked for a dick pic and he sent me on but he was soft so now I’m really off edge because the ones he takes are always nice hard ones. Idk what to think, he’s currently at work and haven’t said anything but do any of you ladies just wanna give me advice. I’m honestly not even mad about it, it’s just more like a WTF.