Jen Regan sat by Marc Fucarile’s bedside at Massachusetts General Hospital three weeks after he was injured in the Boston Marathon bombings.

An emotional Edward Fucarile stood in the doorway of his son Marc’s hospital room at MGH.

An X-ray shows BB’s in Marc Fucarile's lower body. His right leg was amputated.

Brother Edward Fucarile, sister Stephanie Baron, and fiancee Jen Regan were devastated after Dr. Jeremy Goverman talked to them Marc’s “good leg” was also in jeopardy.

Marc Fucarile made a sad face to his grandmother ,Mabel Callahan, at Mass General Hospital. He said the hardest part was watching loved ones worry about him.

Fiancee Jen Regan nervously bit her nails in the family waiting area during one of Marc's numerous surgeries at Mass. General Hospital.

Well-wishers leaving messages on the bulletin in his hospital room ranged from his son, Gavin, to the Boston Police Department to professional atheletes.

In tears, nurse anesthetist Amanda Heidbreder hugged Marc in his hospital room at MGH before he left for the Spaulding Rehabilitation Hospital.

Marc received physical therapy in the gym from Dara Casparian at the Spaulding Rehabilitation Hospital.

Marc gets a kiss from sister Stephanie Baron while receiving PT in the gym at Spaulding Rehabilitation.

Marc practiced waving the Boston Strong flag with his son and fiancee before going on the ice before a Bruins game.

An overwhelmed Jen Regan packed the family’s belongings to be moved to their new apartment, which is wheelchair accessible. She had not spent the night in their old home since the bombing, and only returned occasionally to gather some items.

Jen Regan packed Marc's shoes to be moved to their new apartment.

Marc Fucarile got a hug from son Gavin before leaving Spaulding Rehabilitation Hospital to head home to Reading. One hundred days later, he was the last victim to leave a hospital following the April 15, 2013, attack.

After speaking to the media, Marc Fucarile left Spaulding Rehabilitation Hospital for his new home in Reading.

Marc was cheered on by physical therapist Dara Casparian while waving Spaulding Rehabilitation Hospital.

Marc hugged his son Gavin after arriving home to a family party following an extended hospital and rehab stay.

Marc winced in pain during a rehab session with physical therapist Sean Quinlan at the Spaulding Outpatient Center in Peabody.

Marc spoke to family, friends, and well-wishers at his fund-raiser at the Montavale Plaza in Stoneham.

Marc and Jen shared a moment after he walked down the hall and back with his new prosthetic leg at the Hanger Clinic in Woburn.