3 year old behavior.

You guys, I'm going crazy. My three year old will not listen to anything. I'm so frustrated 😭 He will hit his brother, take toys, yells, jump off of stuff, try and break things. I am so upset. Now he just covers his ears and keeps doing whatever it was he was doing. I am so freaking worn.

I have tried to get outside even though it's freezing, be consistent with time outs and taking the toy away if nessassry. Is anyone else having this happen?? I have no idea what has happened to my smart, kind toddler.