sorry for being 3 days late. after she says "'ll never hang up" you will need to wait a few seconds. it doesn't matter if you miss or not, after the "call" its basically the end.
you can actually, it's really just hard, so no, it's not impossible. You just need to chip-in damage or just try to hit it on the right time. Then after that, you are basically done. so technically, its the ending
