Back from interview... not so good:(

I have a job interview at 11:00 today and im freaken out!! Its for a Dental assistant. the pay is awesome but im not sure if its part time or full time. I would be working with my mom I dont even want to tell you how much I make at my job now. Its peanuts lol so what ill be making at this job is more then twice what im making at my old job. so im praying it works out and its full time! i havent been on an interview in two years and im so nervous! my hands are shaking and i feel sick to my stomach ill post more when i get back. I took the whole day off from my other job! so ill have more time to spend on here with you lovely ladies be back soon!
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UPDATE:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
ok so its not full time but there is room for growth. its a new doctor and he is just starting out and has a few appointments lined up in the next month. the lady said that she thinks in 2 -3 months i could have more hours. right now its wed 3-8 and sunday 9-2 which equals 10 hrs. i work full time right now 40hrs a week i would be training for a month from 9-5 so i dont know if i should leave me job now and then HOPE and PRAY my hours go up or should i just stay where i am? im so confused. i mean its a great job they are going to train me and the pay is awesome but im scared it wont work out in my behave. WHAT SHOULD I DO?! i want this job so bad cause i know its a lot better for me and she was telling me all this stuff i can do once my training is done and i can move up in the line of my work. i hate my job now and im getting peanuts for money im not happy buti dont want to screw myself on pay. i have SOOOOO much to pay for. i mean i would be ok for a month on pay but then what do i do after that month? i babysit in the morning from 6am to9am for my aunts two kids and she gives me 150$ every friday. so i mean i have some other income but its not enough. someone help me! im sorry this was so long im really just so confused!