What if I die tonight ..?

I keep asking this question to myself time to time just to remind myself of the impermanent nature of our being and also to shift my focus to spend my time on more meaningful stuff.. I have heard this in many teachings that at the time of death, we should generate positive thoughts like love, compassion and our state of mind should be positive. We need to cultivate our mind in this way, so that we don't regret or feel guilty on any of our life incidents of past. And this is something that helps me to be more mindful, to be in the moment. Remembering death sharpens our awareness towards LIFE!! Isn't it? If I want to be in the state of more compassion and love at the time of my death, I need to practice all these things in THIS MOMENT only. If I am living my life in a positive way, or by cultivating love and compassion for each living being right now, then the possibility is high that I would have similar state of mind when I die. I feel it is something like, if I am watering the...