If Mr. Smith took the bus to work instead of driving, he could eliminate many expenses. This doesn't even include the extra money you'll save on car maintenence, etc., and you'll even be helping out the environment. So, let's look at the figures so far. If you reduce the amount of money allowed for the transportation and food, that leaves more for the housing category. If he chose to, Mr. Smith could also decrease the amount allowed for entertainment, clothing and other unnecessary expenditures, and so could you.
Most art exhibits are free.
Rather than taking a date to dinner and a movie, try going on a picnic in the park. It's cheaper, and much more romantic. There are countless options to help you save for that new apartment. Don't give up on moving out until you've thoroughly evaluated your budget. You might be able to pinch enough pennies to move into a new place, and you will establish some better spending habits in the mean time.