Nothing wrong with spider. Spider takes care of a lot pesky bugs like mosquitoes, cockroaches, other spiders, mice, small snakes etc.
Spider woman gave the Navaho people the ability to weave, grow mais (pop corn), the knowledge of fire and work turqouise into beautiful jewelry.
Nothing wrong with having Rat as totem and ratlike qualities.
*gives you a hug*
If I gave any vibes that suggested otherwise, I apologize profoundly.