Meaning: This means that you are certain that you and your friend will have more enjoyable experiences together in the future.
Choice of Words: **Know** means to be certain or sure about something. **We'll** is a contraction of the words **we** and **will**, which is used to express future tense. **Have** is the present tense of the verb **have**, which is used to express possession or to describe an experience. **More** means a greater amount or quantity. **Fun** is a feeling of enjoyment and happiness.