You'd be surprised at how difficult it is to enjoy someone's company when you spend the whole time thinking "how is this person going to screw me over".

It would still be a concern of Tia's, since she's learned to be kind of paranoid. It's the same reason why she'll still wear parts of her armour even when she clearly doesn't need to (often sleeping in the stuff). 

I also really don't want to have to change what I wrote, so could we say that it might have been true at one point, but that things have changed since she was last on Omega? It has been 20 years or so.