My boss told me to “think about if I want to be here” so I did.

3 months ago, I started a job at a warehouse, as a lead.
My direct supervisor was on vacation when I was hired, So I didn't meet her until 2 weeks after starting, and I wish I never did.

Before being hired I told them I would need to take paternity leave in about 6 weeks, which they agreed was fine(will make sense later on).

I could tell my supervisor didn't like me, she was doing all this petty, Nitpicking stuff. Like not inviting me to operation meetings, complaining I wasn't in my department whennI stepped out to go to the bathroom, saying my department numbers where to low, or giving me unrealistic goals to hit, and my favorite of them all, Taking too long on breaks.
We get 2 15 minutes breaks, And I always go out with the associates, and return in with them, But she told me I needed to be back on the floor BEFORE THEM.

I would of had no issues going out 5 minutes before them and coming in 5 minutes before, But I wasn't going to lose 5+ minutes of my break for a 12 hour day. And this was the first time hearing I needed to be in before them.

So before going on Paternity leave, which she was NOT happy about at all shebtried to make me only take 3 days off, which I politely declined, and said I would be taking the 5 weeks I was approved for.

So I had a meeting a few days before leaving with her, and she told me, “While on paternity leave, You need to figure out if this is the place you want to be, and if it is, you need to straighten up your attitude” and other things along those lines.

Well, I took her advice, I don't want to be there, and become as miserable and she is. So I looked for new jobs while I was on leave, and recently accepted a new job with a $5/H pay bump, and way better benefits. My paternity leave ends on the 29th of this month, and I start my new job on the 28th. I bet she will not be happy when I don't come in.

So tired of upper management thinking they have a noose around their employees necks, and they won't go anywhere.

Edit: spelling errors, And I am in a at-will state so I can quit without any notice periods.