Yes, it's correct to say "I've watched this an unhealthy number of times." This phrase typically implies that the speaker has watched something (like a movie, show, or video) far more often than is considered normal or healthy, suggesting they might be obsessed or overly attached to it.
You can rephrase it in several ways, such as:
- "I've watched this way too many times."
- "I've seen this an excessive number of times."
- "I've watched this