I've got an irresponsible, immature little brother. He's 12 y.o. and doesn't take care of his pets. He just expects me to take care of them for him! For instance, we were at PetCo a few days ago. I was looking for a couple new girls for my sorority and he *had* to get whatever I was getting since "it isn't fair". He ended up getting a dragonscale betta. His betta ended up having velvet, which means he has to get off his duff and do 100% water changes daily...He hasn't done ONE water change. I've done all of them. I have also just realized he hasn't been siphoning his other sick betta's uneaten food or poop and now this betta is not doing so well. And he blames me for not changing them! He has 6 bettas now and he hasn't siphoned or changed any of them within the past month or two. I've been doing all of it. I've also just found out he hasn't been doing his one other lousy job...feeding them! And it's not just his fish he doesn't take care of...no...he has a dog and a tarantula he's neglecting. I have now taken over feeding them, changing the tarantula's substrate, walking his dog, taking his dog to go to the bathroom, etc. He is now talking about getting a bird now! Ugh! He can't even take care of the pets he HAS!!! I have pets of my own and college and job apps to finish! How can I get him take responsibility for his pets?! My parents are all soft on him since he's "the baby" and their last child. I really need some advice. I'm so fed up with this crap.

Sorry for the rant. I'm just really upset right now.