Delayed gratification. When you're older you'll spend less and "do" less so try ask yourself what the older you would say about any sacrifices youre making right now.
Eg is your 70yr self going to be glad you went without for so long during your better years just to have another £xxx in the bank ?
Eg is your 70yr self going to be glad you went without for so long during your better years just to have another £xxx in the bank ?