Things get offered constantly — an introduction, a spare ticket, someone saying come along — and get declined by reflex, because the calendar is full and yes would mean rearranging something.
Abundance rarely feels abundant on arrival. It feels like an inconvenient Thursday.
Say yes to one thing this week you'd normally turn down out of habit rather than judgement — including the one that costs you an evening you'd earmarked for nothing in particular. A lot of what gets called luck is just a longer list of accepted invitations.