"Sorry sir, i am using your wife day and night when you are not present at home.
In fact much more than you do.
I confess this now, because i am feeling very much guilty.
I hope you will accept my sincere apologies.
The man takes a gun and shot his wife.
A few minutes later he received another message:
wifi not wife
Ich bin unheimlich schüchtern, kann's halt nur nicht so zeigen.