Letting go

Sometimes it becomes so easy to let things go and people go. I Wonder why, is it sign from God to let things go as its there time and time for new things to come.

And why did we hold onto them for so long… Why we cudnt let them go earlier.

Unike birds, animals; why human beings cling on to things untill they die. May they dont have an option to take things after they die else they would have done so as well..