to isolate yourself emotionally from others
изолировать себя эмоционально от других (izolyirovat' sebya emotsional'no ot drugikh)
"After the breakup, he completely shut himself off from his friends."
"После разрыва он полностью shut himself off от своих друзей." (Posle razryva on polnost'yu **shut himself off** ot svoikh druzey.)
to stop giving reasons for not doing something
to suddenly become angry because of something
to be willing to consider or accept new ideas or experiences
to gradually increase emotional strength or confidence
to change behavior or plans because circumstances require it
to attend briefly or informally