When it comes to describing habits or tendencies, there are several phrases you can use instead of "is the habit of". Some synonyms to consider include "is inclined to", "has a tendency to", "is prone to", "has the habit of", "frequently engages in", "often does", "regularly practices", "has a proclivity for", "tends to be", "is typically", "habitually", and "consistently". These alternative phrases can help vary your language and make your writing more engaging for your readers. So, next time you need to describe a habit, consider using one of these synonyms to add some flavor to your text.