[subpixel]

Nothing saps your energy like mulling over past mistakes/mis-steps/shouldas-couldas. We all have more of these as we get older, but if you do your best to let go of them you'll free yourself up quote a bit.

Easier said than done, but I speak from experience.

[mkr-hn]

I learned this one right around when I turned 29. It's easier to look forward when you don't spend much time looking backward.