Not necessarily, in the same way that, say, someone giving her a candlestick from a church wouldn't get to her. It needs to be a proper symbol meant to signify or invoke the divine. Things that are just loosely associated are 100% fine.
Well, "happily" only goes so far when being around someone gives you the flu, but she's willing to, and isn't that a marker of liking someone in itself?
It might be uncomfortable to be around her, but it's not uncomfortable to speak with her as long as they're not in physical proximity. Velvet works and she doesn't ever have to eat; so she's 10,000% going to buy Yumeiko a laptop and/or phone so they can talk remotely over Discord and the phone and whatnot.
Current thoughts: we're not, and Velvet is just going to need to live with it. Granted, like I mentioned it won't be nearly as bad as it was; but I don't think there's any way to remove it. Yumeiko will just have to be so criminally nice to Velvet she'll tolerate it to be around her.