When he asks Patty to marry him , she accepts .
Barney takes his girlfriend , Patty Winters ( Marla English ) , to see a house for sale , then slips away to hide the money outside .
When Barney asks Patty Winters to marry Barney , girlfriend accepts .
Barney takes his girlfriend , Patty Winters ( Marla English ) , to see a house for sale , then slips away to hide the money outside .