How thick is too thick(for toy and irl)

So i recently bought a masturbator(entry level) and everything was fine in the beginning, but now it feels tight, like even with lube it's difficult to continue for more than a minute. My girth is around 5-5.5 inches. Is it a toy issue or what's the norm for girth?

 

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I'm at 5.75" and my girl loves it! As far as toys... An Auto Blow extra large is the only thing that I'm comfortable with. Expensive you but well worth it.

 

What kind of toy? It might actually be making you bigger (temporarily of course)

 

What kind of lube are you using? Silicone lube for a toy like a fleshlight isn't good. You should always use water based lube for most of the toys we put our cock in.

 

I am 8" hard, 6" girth and hang at 6.5" flaccid. I have shredded/torn every sleeve I have purchased. Just bought a Max2 as it was supposed to be good for girthy guys. It lasted 3 days. I am so bummed. Still going to use it since it feels awesome but it sucks it's ripped.