From my experience, doing some easy LST like bending the shoots away from the plant does no harm nor slow growth. Especially outside this will prevent other stressors. Due to the width you will have better airflow later and can prevent mold etc. .. additionally you will also get a much better canopy and therefore an improved harvest.
If you want to strengthen your plants further, you could add something like SiCaMag by Plantboom.
Last, you could consider getting a solar fan for around 40€, to further prevent mold and strengthen your stems.
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