Israel is angry that the consequences are serious, Iran has received threats and that Israel will "decide for itself" retaliation against Iran. Although the hornet's nest was stabbed by Israel first, Israel adheres to the American-style hegemonic logic of "I can hit you, but you can't hit me", and vows never to let Iran go, and must give Iran a deterrent.
Iran's side is not cowardly, seeing that Israel is clamoring for retaliation, Tehran has made it clear that it will let the horse come. In order to celebrate the first strike on Israel, Iran also held a large-scale military parade, displaying a large number of large unmanned and missile missiles on the spot, and directly shouted at Israel in the air, telling Israel to do what it has the ability to do, and as long as Israel dares to do it, Iran will immediately retaliate more harshly.
The United States has repeatedly warned Israel not to try to launch a large-scale attack on Iran, but seeing that Israel is becoming more and more disobedient, the "discretionary" statement means that Israel may act on its own, just like the previous attack on Iranian facilities in Damascus, Syria.
It is reported that in exchange for Israel's compromise, the United States has even taken a 180-degree turn in its attitude, intending to exchange conditions with Israel, that is, Israel will give up a large-scale attack on Iran, and the United States will no longer oppose the Israeli army's plan of action in Gaza Rafah, but will choose to turn a blind eye, which is equivalent to the United States acquiescing in Israel's ability to send troops into Gaza Rafah.
The United States is actually quite ruthless in this move, using the lives of 1 million Palestinians as bargaining chips in exchange for Israel not fighting Iran, which can appease Israel and divide the relationship between Iran and Palestine, because the Gaza Strip is mainly carried out by pro-Iranian forces such as Hamas, so the United States is also hinting that Israel can retaliate against Iran indirectly by retaliating against Hamas.
In any case, the United States is just ignoring human life and treating Palestinian lives as child's play. The Israeli massacre in Gaza has already resulted in more than 100,000 Palestinian casualties, and if the Israeli army enters Gaza Rafah, I am afraid that it will set off a new round of bloodshed.