Yes, my experience agrees with this. I'm also interested in knowing exactly how "fantastic" the life of this person actually is. Stress levels? Relationships? Negative emotions?

I was in similar denial at the beginning, until I realised that these factors are important.

I'm certainly open to the possibility that depression might be possible for someone with a fantastic life, but from what I've seen that doesn't correspond with the experiences of myself and friends/family who have experienced it.