Question

how can we brighten up ourselves?

Answer 1

be confident of ourselves
be an happy person

Answer 2

1)Don’t try to be someone you’re not. Instead, try to be like someone you admire but add your touch – don’t be a mere copy or a faded shadow. Be yourself.
2)If your thoughts are positive they can bring about positive changes, as against negative thinking
3)Have your own personal hobbies and pursue them.