Well, all and each of the four economic gestures are the better for you. In dependance of what effect are you looking for at the moment when you take your economic option. Then the mix to get results on your wellbeing, happens.
All the matter have to keep out of any economic confusion. Because :
1. When you are looking for to maintain or enjoy your life, you have to choose one economic gesture of consumption,i.e. you have to buy a T-bone ;
Clarification 1 : consumption practice is to live or to enjoy the life
Clarification 2 : savings practice is to defend needs of the life
Clarification 3 : investment practice is to run for reproduction effects on the life
Clarification 4 : datevaluation practice is to upgrade economics and better perform the life