My mother is the same way *eSFJ* and boy is the overreaction ever present to anything in her sight. Personally like you I don't really get worked up over much either and I've seen at times her really just waiting in anticipation after telling me something like she's expecting a dramatic display of response.
Nah...XD. My poor mother and telling me seemingly interesting things
just to get a "cool" response of " Oh that's neat/really? or the famous " ooh..." maybe i'll ask a question or two as i'd be seriously curious at times.
But very nonchalant, all while doing so. It drives her batty cause i'm not meeting her level of expression in dramatic flair perhaps.
Nothing ticks me off faster than manipulative Fe games. That's why I prefer the healthy SFJs .