The speaker looks back on carefree days spent with someone close, running through green fields and lying under ash trees, watching clouds drift by. The memory is warm and golden, but it turns when the speaker recalls spotting a dark cross in the sky. It felt like an omen, and it looked like the cross that hung over the coffins of Oma and Opa, who seem to be the speaker's grandparents, before their funerals.
The speaker never told the person lying beside them about this sign. The final lines carry the poem's sharpest feeling: even without sharing the warning, even though death is a natural part of life, the thought of this person leaving still hits hard. The mood moves from nostalgic and gentle to uneasy and sorrowful. The broken, uneven lines and the capitalized "Your departure" and "Shock" make that last question feel like a sudden jolt of grief and guilt.