How Do I Get My Wife To Pay Back Money I Loaned To Her?

it started like this,I give her money to start business after much prejor from my mum that you need wife to be doing something bra bra bra.i give her 100k to start.she later come back to tell me that the money is not enough since she need to secure portion (OK bizz).now I give her another 100k that is not my money(meeting money)b/c am the treasurer.but i didn't tell her that it is meeting money and meeting is closing next month.when I ask her, she said that husband doesn't borrow wife money and get it back I should ask my mum.Elder please is it true b/c I don't know how to make 100k in the next 3weeks.l

source http://www.nairaland.com/6143660/how-get-wife-pay-back