Charmaine belittled and tore down Artie any chance she got as he was a worker ass nikka....there was a reason Artie was chasing these hoes and trying to hang around tone and the guys...he felt that what she wanted of him as he felt she loved Tony ...Charmaine was a real one, easily the best wife in the show. You want someone like that in your corner.
She didn't resent Carmella either (if anything, she pitied her), she was just a little pissed that Carm treated her like a servant at that party.
Charmaine wouldn't tell carm that shyt if she wasn't trying to make her jealous

he almost committed suicide by getting ass whipped by that french dude.
and he was like 


to Tony about how he ruined Artie's life. Tony was like
and
"Let's get the fukk out of here, go to another place". Charmaine had balls to be so matter-of-fact about her contempt for Tony and the crew. So much respect for her.