New puppy - after puppy blues?

So I wanted a puppy thinking it would help me feel better from my anxiety and depression, and I got this cute little puppy today but I feel so stressed and w anxiety, I had a panic attack twice and I been crying, I know is stupid but I can’t help feeling like this, I feel so childish for this too because I was so excited to have the puppy but now I don’t want it,

She is so small and needs so much attention and I don’t have that amount of time.

And if I don’t pay attention to her she start barking and where I live I’m not supposed to have a god too,

and this dog was so expensive and I need to save money for my school and now I think that I made a huge mistake.

I feel like I can’t breath right now I have so many racing thoughts and I want to throw up and my head hurts so much.

I’m sorry for all this long post and if it have a lot of grammar errors.