You are being held up right now by joists you've never seen, sized by someone you never met, to a standard you have never checked. It works so consistently that thinking about it feels absurd.
Most support runs like that. A pharmacist who catches an interaction. A friend who would answer at two in the morning and has never once been asked to prove it.
Grounded and supported aren't feelings to be manufactured; they're facts about a structure, most of it out of sight. Deeply loved usually is too — the evidence distributed across a lot of small, unremarked maintenance that nobody narrates.