4. Follow up with details to convince. Provide the listener with evidence that your proposal can help. 5.Maintain you credibility by avoiding too many strong adjectives,adverbs, superlatives,euphemism,or worn-out phrases:words that imply a certain knowledge of future events;and inappropriate surprise or amazement.4. Follow up with details to convince. Provide the listener with evidence that your proposal can help. 5. Maintain you credibility by avoiding too many strong adjectives, adverbs, superlatives, euphemism, or worn-out phrases: words that imply a certain knowledge of future events; and inappropriate surprise or amazement