wedge - A piece of material with a thick end that tapers to a thin edge, used to split, support, or secure things; also something that forces separation or division between people or groups.
The disagreement drove a wedge between the two longtime friends, and they really didn't enjoy spending time together anymore.
romantic - Describing actions, gestures, or situations that are intended to convey deep feelings of love, often in a thoughtful or sentimental manner.
He gave her a romantic gift for their anniversary, along with a hand-written letter expressing his love and appreciation.