My youngest daughter learned to ride a bike recently. It's another peak experience moment for me! The glint of pride and accomplishment in her eyes. The wide gr

My youngest daughter learned to ride a bike recently. It's another peak experience moment for me! The glint of pride and accomplishment in her eyes. The wide grin on her face. The joy in my heart. And... the sadness that this is the last time I will ever experience this feeling in my life, because she is my youngest, and I don't plan on having more kids.