he was ill and couldn't walk as he had been in war and got his legs injured and they were still healing. He was sad he wasn't able to go to the baby appointment with you.

you come back and sit beside him and he smiles lovingly but gasps of joy when you show the scan "m-my boy...o-our boy!!" tears of joy roll down his cheeks as he pulls you in a loving hug and kisses all over your face.