Is this normal? Modding testing

Well i was playing with modding. and im not sure because i mostly play on peacefull and build massive shit .
well is it normal when theres spiders and zombies around me, when the skelitons attack me the other monsters attack that skeliton....
normal? or am i sucessfully modding?

ive had that happen to me too and i play with mods aswell ummm its most likely that the skelly hit the spider with an arrow

I get ready for bed last night night, saw a few of your posts. you were a bit of a noob.
I go to sleep, dream about mushrooms and shit.
wake up, find all your new threads! your like a pro today. very proud Static.

oh and yes, thats a quite common side effect for certain mods. dont know why/how.