Mom vs cat

When I was younger my cat died (my neighbor ran over him) I loved my cat and the cat was two when it died this was 5 years ago and I’ve wanted a cat ever since I’ve always been really scared of dogs and I’ve just get annoyed with them. Cats have always been very good to me and I want one badly I’ve offered to take care of the cat and keeps its litter box in my room pay for half the price of food so all my mom needs to pay is for its initial shots and vaccinations (but I’ve also offered to get an older cat to avoid this) I am on my period but this is also something I feel very strongly about I can’t connect to dogs the way i connect to cats but a few months ago our puppies and i have to visit my dad during the summer while I was gone she gave them away without telling and I was heartbroken I had become attached ( I’m not very fond of dogs but I love all animals once I get a chance to know them) my mom still refuses to get me a cat and I’m sorry for ranting am I being irrational

Homeless cat I want to take in^