I don't think Charlie has OCPD, I just think he's a bored househusband who tries to exert what little control he has over his environment. I do agree that he is more sentimental than Josie, and he's likely partially staying with her because her work provides them both a seemingly glamorous life.
Watching Charlie's anxiety about choosing the right Xmas tree and also dismantling and rearranging the already decorated one, leads me to believe he's a perfectionist at the very least. His behavior is just bizarre, I don't know how Josie puts up with him.
As for the orgasms over the Elizabeth Arden hamper and the B&O speaker
I know someone just like Charlie, (they even look and talk the same) and his personality is all about being seen to have the very best of everything - all the latest gadgets and whatnot and then showing off about it to anyone who'll listen. With my friend, I've always put it down to competing with his older sister since he was very small. It's such an ugly and pretentiousness personality trait. It's like they have no self awareness about how they come across, yet they are hyper aware of being seen to be wealthy at all times. Charlie is terrible for it!
I'm a pretty intuitive person and in recent vlogs they've both said they don't know how they put up with each other, Josie has snipped at him for having a shopping problem and vice versa, and Charlie even made a dig at her fashion sense. So my intuition tells me that all is not as it seems in the Cotswold Manor and both are clinging onto the relationship in order to keep the lifestyle they both won't dare give up. I mean, why no talk of a wedding yet?
Also, whilst I'm here (just popping over from Lydiot's thread), it annoys the F out of me to see them bumbling about in this huge home which is too large for their needs and which they can't afford to appropriately furnish. It is devoid of any cosiness or homeliness and doesn't suit them AT ALL. They could've bought a lovely cosy Cotswold cottage, made a lovely welcoming home and live a life where they perhaps aren't quite so desperate to pay the bills. But no, they bought a white elephant - no doubt because once again, Charlie wanted to be seen to have only the very best and be the envy of his mates.
I just can't with those two!!!! Particularly Char Char!!!