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Here is an article that will help you.

https://www.gardeningknowhow.com/ornamental/vines/honeysuckle/japanese-honeysuckle-weed.htm

I would plant the honeysuckle 6-12 inches away from the fence.

For information on the care of honeysuckle plants, please visit the following link:
https://www.gardeningknowhow.com/ornamental/vines/honeysuckle/honeysuckle-vine-care.htm

Arbor or trellis, one large trellis or two trellises- any of these options would work - it's basically boils down to your personal taste. I would google arbors and trellises and see if anything catches your eye - there are so many different styles from which to choose. You could have an arbor that is 5 feet apart and train a vine on each end. But, it's all according to what you like. :)

If there are less blooms, there may be less fragrance.
Environmental causes, nutrition, pollination and pruning can all effect the health of the plant.

Here are some links with more information.

https://www.gardeningknowhow.com/ornamental/vines/honeysuckle/honeysuckle-vine-care.htm

https://www.gardeningknowhow.com/ornamental/vines/honeysuckle/types-of-honeysuckle-plants.htm

Here is an article that will tell you exactly how to root your honeysuckle cutting:

https://www.gardeningknowhow.com/garden-how-to/projects/rooting-plant-cuttings.htm

There are a few different reasons why this could be happening. Adequate lighting and moisture are priority for honeysuckle so be sure its getting plenty of both. Certain varieties flower at different times, you may have a late bloomer. Its also possible that its just its age, less than 3 years old may not be mature enough to flower.