Jack understood that Mark would always have a place in her heart, regardless of their relationship. Accepting this reality, he resolved to cherish the time they shared instead of insisting on exclusivity. His intention was to show her unconditional love, hoping that in time, her feelings might shift as memories of Mark gradually faded.
Jack believed that by being there for her, especially as they prepared for parenthood, she might come to see the value of their life together. He remained hopeful that she would honor the present and the life they could build, even amidst the complexities of their situation.