Looking really good! I would try to avoid getting water on the leaves if you can; sometimes it can bend the light in harmful ways, although most times you're safe
If you want to make the plant sturdier, you can always create a gentle breeze with a fan. This makes the plant develop stronger stems, in order to adjust to the environment. Just don't always have the fan blowing or else your plants may end up with thick stems and less foliage. More foliage equals more bud.
I usually apply the fan in shorter periods rather than long ones. But when everything is said and done, you really don't have to make the stems stronger unless they can't support what they have on them. From looking at your pictures, your plants already have nice sturdy stems, and a lot of nice foliage. Nice job!