Ed and merrily have just fallen in love. they feel an intense desire to be close to each other and often promise each other they'll never break up. the stage of love they are in is often called

The stage of love they are in is often called "infatuation."

Infatuation is a right meaning of adoration or love at first time. Its a brief love that doesn't keep going long. Its likewise what we call 'crush' in this ongoing circumstances. Infatuation also refers to the condition of being diverted by an unreasoned enthusiasm, normally towards someone else for which one has created solid sentimental or dispassionate emotions.