One of the very real although depressing signs of maturity is a realisation that our time on the planet is both finite and drawing to a definite end.
There comes a day when that run becomes slower, your eyes feel weaker and your sleep becomes longer.
Of course Marcus and Agata are sure that this day is some way into the future. You can check back with us in let's say 50 years time.
Meanwhile some more perspectives on time:
(Pink Floyd: Time)
Boy G- Time - Countdown 2 Arythmia
Beloved: Time afer time, Leslie Lyric