For me the guilt gets to me. I feel guilty for not imparting 40 hours of focused time in the office, I feel like I'm a slacker or don't deserve to be in my care

For me the guilt gets to me. I feel guilty for not imparting 40 hours of focused time in the office, I feel like I'm a slacker or don't deserve to be in my career. I don't think this guilt is helpful, as I only really do work I'm proud of when I've had good breaks to regain myself.