How to know if a person's behaviour is childish and a person in phycologically immature?

truthfulcurlew7

.

5

I regret t

I regret that I cudnt save my brother

expertyogi

.

3

i am alone, stressed, and feel restless for everything I want and I am losing interest from everything

joker45

1

.

hey you guys

turmeric_bomb

.

2

I want to go to the past and deal the situation there,I m a mess now

sadme

.

4