According to Osho, after a lifetime of saying yes, the arising of no means your previously repressed truth surfacing; your habitual yes was cultivated and false. Allow the no fully; it restores your inner rhythm and integrity. Only one who can say a vital no can offer a vital, spontaneous yes. Express it; then a real yes will follow.
Saying no after always saying yes means your true feelings are finally coming out, and letting them will make your future yes real.