Do you think Penny (from the big bang theory) is a good girlfriend?

I was watching the show with my brother the other day, when he pointed out that he thinks she's kinda a bitch and a terrible girlfriend. Making him feel inferior to her, not masculine and being a gold digger.

To be honest I never thought about it like that or heard someone else say, but I think he has a point.
Which begs the question of why Lenard in with her in the first place?
Do you think Penny (from the big bang theory) is a good girlfriend?
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