The delicious aroma already filling my mind, making me need to taste. The touch as my lips brush gently against the curved edge. The tip of my tongue exploring and teasing.
The flash of perfect anticipation before if gets overwhelmed by my need. Then that moment when anticipation is gone in one ravenous bite.
What a sensual, sexy photo of lips and tongue. It makes My mind race to all the feelings and sensations that could follow. So lovely.
This is how the transition from one state to another occurs. You described this process perfectly and the photo also demonstrates this.