Complex sentence: Things between Betty and Henry seem to be at their very worst, until Betty emerges from her home after shutting the door in Henry's face and they share a kiss, affirming that their relationship can't be stopped under any circumstance.
Split into simpler sentences: Things between Betty and Henry seem to be at their very worst, until Betty emerges from her home after shutting the door in Henry's face and they share a kiss. A kiss that affirms their relationship can't be stopped under any circumstance.