live for the moment

Concentrate on the present, with little or no concern for the future. For example, Instead of putting aside funds for the children's education, Jane and Jim live for the moment, spending whatever they earn. [Mid-1900s] Also see for the moment; day to day, def. 2.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.