Excuses and skills both take effort to build. Only one of them pays you back.

Constructing a good reason why something is not possible takes real thought, evidence gathering and rehearsal. That work is genuinely effortful, and at the end of it you own an explanation rather than an ability. The same hours pointed at the skill would have produced something that keeps returning value.

Notice the explanation you have gotten very polished at delivering, since fluency is the tell. Spend one of those hours this week on the thing the excuse is about instead. You will not solve it, and you will have started.