Competence makes independence practical instead of performative.

Independence declared without ability is a posture that collapses the first time something needs doing. Competence makes it practical, since you can actually manage the things you claim not to need help with. The difference shows up immediately under any real demand. Nobody has to believe you, because the situation simply gets handled.

Rather than asserting self-sufficiency, build it in one specific area. Learn to handle something you currently outsource. Practical independence accumulates quietly and never has to be announced.