Answer:
I would say start CPR.
Explanation:
It's best to start CPR because the ambulance wouldnt make it as quick as to where you would already be at the scene. But someone could always call 911 while you do CPR.
1. if the person is saying goodbye to everyone and saying sorry and how much they love them
2. if they write a note
3. when the person starts giving up on everything
4. if the person is drowning in self pity they tend to think suicidal
5. signs of being depressed or emotional outburst for no reason
Be patient, Read, Eat healthy, Sleep 8 hours, Stay hydrated, Good hygiene, and just take care of yourself. Hope this helped!