What should i do when... (women are around!)?

well if you are in their house, its not for you to say where anyone should be. If its a mom, she probably looks at you like her son so she does not see it as a big deal. if it makes you uncomfortable, simply try and avoid it if you can. If she sees it bothers you, she might get the hint. As for the second option, well if it is an emergency and you are the closest person, of course you should help because Allah swt knows your intention.