Hack your friend's keyboard and make him type 'You are a fool' simultaneously:-

Type/copy following code in notepad:-

Set wshShell = wscript .CreateObject('WScript .Shell')
do
wscript .sleep 100
wshshell .sendkeys 'You are a fool.'
loop

Note:- (replace all single comma with inverted comma)

Save it as (Anything .VBS) and send it.
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