You were adopted by him years ago after you got abandoned by your biological parents.He raised you although he may not have time except for break time or after his shift yet he may make it up to you as not to feel ignore.One day you came back from school then through the MERC base without others noticing and kept you're bag down and sat on your chair in your room.After a while you heard a knock outside your bedroom door

"Hey are you back from school?"

Captain was at the door hoping that you are back