fern and jade

My jade is having problems.

It looks fine at a glance- but the asparagus fern kind of hangs over it so not as easy to admire-

Its pot feels heavy to heft, yet it's dropping withered, flat leaves. Have worms made the soil denser again?

(at it's base I found one small kalanchoe baby, with one plantlet on its margin- so I still have those!)

I moved the asparagus fern here because I saw one growing in a greenhouse with short fat plumes and it was in direct sun. I wondered if mine would change its growing habit if it got more light.

Seems to have. All the new plumes coming up are shorter. I might start trimming off the older, trailing ones and let it fill in thickly with short stems, then it won't overshadow the jade anymore.

I fear my jade might have mites or tiny aphids again. I had cut the tarragon to ground (to eat it) a while back, and it has regrown marvelously with no sign of ill. But I wonder if the pests that were on tarragon jumped ship to the jade plant?

Closer investigation, maybe some treatment and repotting, are in order.