They are optimists. Less formally they are upbeat.
The person is an optimist.
The person is an optimist - always looking on the brightside.
They are optimists. Less formally they are upbeat.
The person is an optimist - always looking on the brightside.
An optimist.
The person is an optimist - always looking on the brightside.
A person who has an positive outlook on life.
A pessimist.
An optimist is a person with a positive outlook on life
Depending on the individual and/or what the need for a renewed outlook is pertaining to.
pessimist
pessimist