optimistic

According to the scientific studies below, you will not have to press * 101 # in the phone and smile alone in a crowded place to

If we want to know if an individual's marriage is sustainable, we can look at the pictures that person took when we were young.

Research by scientists at the University of Bristol (UK) shows that dogs also have optimistic or pessimistic characteristics like humans.

Let's learn some habits in daily life that can help you always look optimistic in life.