There is a specific structure to what gets postponed. The postponed things are almost never the convenient or the comfortable. They are the ones that require something — a quality of attention, a degree of honesty, a willingness to begin without knowing the outcome.
The Mahabharata's Vidura Niti contains the instruction: Shvo-karishyami iti karyam adya kurveeta pandita. What you would do tomorrow, the wise person does today. Not as time management. As the recognition that tomorrow and later are the mind's most reliable instruments for avoiding what is needed now.
Seneca's letter to Lucilius opens with the observation not less accurate two thousand years later: Ita fac, mi Lucili: vindica te tibi. Do this, my dear Lucilius: claim yourself for yourself. Most people give their time to everyone who asks and keep nothing for what actually matters to them. Genuine priorities get deferred to later, and later fills up with everything else, and what was genuinely important is postponed until it is no longer possible.
The practical inquiry: make the postponement list. Not the task list. What specific thing has been in the later category for more than a year? What is the real reason it is still there? Not the practical reason. The real reason: what discomfort would beginning immediately require you to feel?
That discomfort is the price of the later. You have been paying it continuously, in the background. The question is whether the thing deferred is worth the price of keeping it in the future rather than doing it now.