What made Hitler committed suicide?

Answer 1

Hitler finally recognized that all was lost and did not want to be taken captive and paraded through the streets of Moscow.

He had seen how the Italian people hung Mussolini in a public square and heaped humilliations upon his corpse. He definitely did not want to suffer that fate. He could do away with himself easily because he lacked respect for human life.

Because enemies were closing in on him from all sides, and there was no way to escape; he knew he had failed and had lost. He wasn't sure what they would do to him when they caught him, but knew it would probably be a life of torture, imprisonment and humiliation. So he wanted a quick dignified death, and he wanted to die with honor with his beloved wife. So they took cynanide and had people shoot them, then his soldiers burned their bodies so their remains would not be desecrated.