I'm a father of 3 working up to 16 hours a day. The guilt of missing my kids grow up is torturous.

Courtesy of Martins Lasmanis

My youngest son turned 3 this year — the same age as my startup, Supliful. As I watched my toddler playing on his birthday, I felt a strong sense of guilt creep up inside me. He wasn't a baby anymore, and I realized I'd missed out on him growing up.