scolding SMS Messages2 messages

Ek baar ek baccha apne daadiji ke kaan me ek laal mirch daal deta hai. But instead of scolding the child, daadi starts laughing. Bolo why?
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.B''coz
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.Mirchi sun.ne waale always khush... (Radio Mirchi 98.3FM)
Mother: David, come here.
David: Yes, mum.
Mother: You really disappoint me. Your results are getting worse.
David: But I will only get my report book tomorrow.
Mother: I know that, but I''m going Hong Kong tomorrow so I''m scolding you now.