To create emotional barriers or distance from others.
他人との間に心の壁を作ること。 (tanin to no aida ni kokoro no kabe o tsukuru koto)
"After the breakup, she put up walls and stopped trusting people."
"別れの後、彼女は心の壁を作り、人を信じなくなった。" (wakare no ato kanojo wa kokoro no kabe o tsukuri hito o shinjinakunatta)
information spread by people talking to each other
to forget past mistakes and start fresh
to remain confident and strong during hardships
family is the most important priority in life
someone who will never be your friend
to understand or solve the real cause of something