Nothing, you already told her twice.
Wife:What is 10 years with me Husband:A second. Wife:What is $1000 for me Husband:A coin. Wife: Ok give me a coin. Husband:Wait a second
Because when he asked his wife how many eggs to buy, she said 4!
The good joke doesn't get a black eye when you tell it a second time.
You'll have two if you leave your girlfriend's underwear in my car one more time!