Wait do you really mean you are giving out loan without collateral or even interest while the borrower just borrow and go then return them back when the duration is reached is that what you mean?
If is so I must say that you are a very generous person I have even came across on this forum from my journey over here because lot of people wouldn't be that wanting to joke with their finances or even have to trust people around here to give out loan without collateral and interest while repayment.