He smiled at the young woman. He got a smile in return. A smile has a return on investment.
A smile is priceless. Because it is free, there is no price.
A smile spreads joy. The other person feels happy looking at a smiling face.
A smile reduces tension. Suddenly, you feel problems can be tackled.
A smile is a sign of love. Only people with a soft heart keep smiling.
A smile shows positivity. Because a smile cannot be defeated.
A smile is a sign of hope. Because when everything is lost, the hope in a smile will still remain.
Spread smiles !