feeling emotional or about to cry
感情的になって泣きそうになる (kanjō-teki ni natte nakisō ni naru)
"He felt a lump in his throat when he said goodbye."
"彼はさよならを言うときに喉に塊を感じた。" (Kare wa sayonara o iu toki ni **nodo ni katamari o kanjita**.)
to avoid taking sides or making a decision
to control your emotions and behave calmly
to help someone with a task
to regain control of one's emotions; to recover composure
To relax and not worry too much.
talking too much can cause trouble