You Might Need the Money
You definitely want your money returned, but you may also need your money. What if you lose your job and you have no income? What if you spend your entire emergency fund while searching for a new job? What if you need to put food on the table for your kids and repayment of the loan marks the difference between you keeping your house or going into foreclosure? Not receiving repayment of the loan in a timely manner might spell disaster for you and your family.
Pro Tip: If you have any hint that you may lose your job, or that any sort of personal financial downswing is on the horizon, don’t lend money to family members or friends. Tell them honestly that you have a tenuous financial situation, and can’t spare the money.