Blake Lively feels “guilty” about working. The 36-year-old actress – who has daughters James, nine, Inez, seven, and Betty, four, and son Olin, 17 months, with husband Ryan Reynolds – was grateful for the bond she struck up with Jenny Slate while filming ‘It Ends With Us’ because they had so many shared experiences and views on balancing their work and family life. Blake gushed to ‘Entertainment Tonight’: “I love Jenny so much, and she was such an anchor for me in so many ways. “She’s just full of love and light, but she’s also deeply grounded. “We both really love our personal lives a lot, an…