Your Jade Plant (Crassula ovata) looks healthy but as Daisyl suggested, I wonder if the roots are well rooted in the pot? You can easily stake it to keep it upright until it's root system is strong enough to support the trunk and stems. And I also agree that higher light will be beneficial.
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!