not easy to trust someone,
some good purpose,
some bad purpose,
some careful hard to be friend,
some trustful easy to be friend,
...
some good purpose,
some bad purpose,
some careful hard to be friend,
some trustful easy to be friend,
...
some person very thick,
some person very thin,
some person very far,
some person very near,
...
some person need more care in time
some person need less care in time