Noun
lifestage (plural lifestages)
Any particular stage in a person's life, or in the life cycle of an organism
And even better, Lifestage was created by an actual, real-life teenager, rather than a developer trying to be "down with the kids". Source: Internet
Lifestage follows the same idea, getting people to use video to explain their various likes and interests, rather than the usual text-based descriptions. Source: Internet
Should I Change My Pet Food According to My Dog's Lifestage? Source: Internet