English: An infant or baby is the very young offspring of humans. A newborn is an infant who is within hours, days, or up to a few weeks from birth.
This picture was created by my adorable friend epSos.de and can be used for free, if you link epSos.de as the original author of the image.
A child is generally a human between the stages of birth and puberty. A boy is a young male human.
Optimism is having hopefulness and confidence about the future or successful outcome of something; a tendency to take a favorable or hopeful view. Research has shown that optimism can correlate with good health at many stages.
A smile is a facial expression formed by flexing the muscles near both ends of the mouth. The smile can also be found around the eyes.
Thank you for sharing this picture with your friends !