Maybe you mean "who is someone who is always happy and looks on the bright side?" In that case you call them Optimists.Optimistic- When someone is always happy, looks on the bright side, and makes sure everyone around them is cheery, and happy.
Someone like pollyanna who, no matter how sad her life is, she is always happy.
Someone who looks on the bright side of things is often called an optimist. This individual tends to focus on the positive aspects of situations and maintains a hopeful outlook.
An optimist.
Pinke pie
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An optimist always looks for the bright side of any situation, as bad as it may be. A Pessimist is the opposite, someone who always points out the worst side of any situation they are faced with.
An optimist, is someone who generally looks at situations in a positive light.
Gardener, horticulturist, landscaper
An optimist?
the future looks bright means that your future looks good
Being Optimistic. Optimistic is looking at the bright side of everything and its antonym, being Pessimistic, is looking at the down side of everything.