A minute is PLENTY of time. Reminds me of when I was doing my Aikido training at the same time as my private, and my instructor was throwing everything including the kitchen sink at me to try and rattle me during a simulated emergency.
I finally said to him, "None of that is going to work."
"Why not?"
"Because after I get done flying, I get rushed by 3-4 black belts and I have about half a second to make a decision, or I am in a world of hurt. Even at 3000agl that gives me 3 minutes to figure something out. 3 minutes is an eternity."
We never did any more emergency training after that.
Take your watch, and just look at see how long a minute really is. It's longer than you think. If it doesn't seem like it is enough time to make decisions, go up with a CFI who does think a minute is a long time, and do some training where he limits you to 10 seconds to figure things out. Although, even 10 seconds is being generous in my book. So I guess it is all what you get used to.