I think it would help to repot. If using the same potting soil as before, mix in 3:1 ratio with "sharp" sand (typically used for construction, patio/paver base, etc. or with Perlite (typically sold with potting mixes) or with small (fingertip size) bark chips/mulch (maybe found with orchid or bonsai supplies). Perlite makes the mixture lighter in weight which is better for carrying around or on a shelf, etc. but can cause the plant to fall over when top-heavy or windy.
Before using, thoroughly premix with tepid water so that the mixture is moistened but not soggy -- holding a handful will hold shape but fall apart and feel like wrung out sponge.
If this is a small enough container, after repotting, feel the weight of the container and plant by hefting it. This is your guide weight. When it's lighter than this, it needs to be watered.
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