Roses Around the Moment — Dean Wesley Smith

Eve Bryson died so fast that she felt fine, standing on a twisting mountain road in the rain, not realizing her body lay broken in her Miata down a slope.
Then hunk-of-a-man Deputy Cascade steps into her life, arriving on the scene to investigate her death.
Wet, cold, hungry, and needing to pee, she finds herself dead and in lust. Then things really start to happen.
Eve died. And life got better.