A dream for the future

What do we usually keep moving for the future instead of living it the whole time? Happiness, isn’t it?
I used to think and hear a lot of when I get, when I achieve, when we accomplish, when X arrives, etc. We keep pushing forward to be happy, generally after a milestone that will always have a new one when we get there, and that’s only if we get there.
We always have the chance to enjoy what we are doing, living, seeing, hearing, feeling but we forbid ourselves until…….?