This is the correct answer. Don’t overthink this. Just go, have a look and that’s it. Tell everybody involved that you don’t have to proof anything if they ask.
I know people who could afford this house easily that walk around like a regular farmer. Sales people having regular contact with wealthy people know this.
But I’d say (at least that’s my experience) it’s not a very addictive substance. Or it depends heavily on the person.
I drink 0-5 cups a day. I like the taste and I like drinking it in some social settings. I don’t need it in the morning to get my body awake. I can just stop drinking coffee any time for longer periods of time without any issues.
Once I was working in Bavaria for about 6 weeks. We drank around 1l of beer every dinner. Returning home I wanted to drink a beer after the first dinner. This made me stop drinking alcohol for two months and since I made this experience I regularly stop consuming substances that may be addictive. I never experienced this with caffeine.