Should I use my ex's Netflix?

I have my ex boyfriends Netflix password and I want to use his Netflix just cause it's there but I feel like I shouldn't. When we were together he said I could use it any time. He was cheating on me and treated me like I was nothing in the end. But I kinda wanna use his Netflix just to piss him off. I know this isn't a big issue and if it doesn't belong on <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a> you can report it or whatever. What do you think.. should I use it or not?

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