connor trusts foster in an incredibly Specific manner which is that he absolutely does not trust foster about anything but he trusts that talking to foster will feel a lot like what other people must feel like talking to him in that he's having fun but he's very agressively got (0) idea what foster is actually saying
it's like the opposite of foster's problem he's just decided This Is What Beartaur Is Like so if foster ever actually actively makes sense he'll be like "uhhhhh is this real life'
Connor.... fortunately, their canons are just similar/diff4rent enough that even when Foster is actively making sense, Connor is unlikely to get the vibe that sense is actually happening
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Despite Everything, She truly believes he cares somehow,everyone else is a solid "well they don't, thankfully"