<human>: Provide a brief overview of the text.

Hi! I just bought my condo with left-over from my college savings fund. I'm 23 years old, work as a line cook and am about to quit my job at State Farm to work full-time in culinary. My loan is $100,000, 30 year conventional, payments are $559.25 per month. Interest is 4.25%. 
My long term boyfriend lives with me and pays me $650/mo as rent. I pay all of the bills and any repairs we split 50/50. I can cover the mtg all on my own and the bills too, so I'm using his money as half for paying down the mtg faster and half for savings. 
I have worked 2 jobs for about 4 years, getting kind of tired of it. I was wondering if I should get another part-time job to pay down the beast, since if I pay on time every month for 360 months, I pay $88,000 over time in interest on a $100,000 loan, it makes me sick. I know I can't avoid paying interest, but my goal is to pay this down in 20 years or so.
<bot>: Have one job and use rent $ as savings or pay down mtg OR have 2 jobs and pay down mtg faster/save more?