Is this consider cheating?

Sooo, found tons of pictures of girls on my bf phone like too many.

Also on snapchat telling girl i want to come inside you and shit.

Before that she said i cant wait for it. For for what? The other messages where deleded, they where not there and then there was his comment of; i want to come inside you.

On instagram ton of messages to girl to send him pics and then i saw thats he is subscribe to an onlyfans.

Our sex life is very low. Like in the last 3 months 3 times.

Hmmm i talk about it with him but it doesnt seem to bother him. Last time we had sex it was me who started it. Then after that it has been a month. Yesterday he wanted but i just started my period so i said i didnt mind because it was just starting (this hasnt been a problem before) also offer a hand job... he said no and put it on him feeling too full from food.

Should i tell him i checked his phone? Or just ask about the name of that girl he wants to come inside?

He has been super nice lately we have had our issues and this last month and half have been great and he has been pampering me.

Dont know how to feel right now. Like i would be doing this same things because i would feel im cheating on him.