and yes get a fan if u dont have one already, that will toughen them up if your plants are flimsy, thin, and fallen over. also, it wont hurt to put some silicate in your feeding schedule which will strengthen the cell tissue in your plant which will help with the thin flimsy plant u got. it also helps with any environmental stress that your plant may have. silicate is an under rated nutrient that many people dont use or dont know about. advanced nutrients, botanicare,dutch master, and humbolt nutrients all have a silicate additive bottle u can purchase