Been almost five years since I lost my Dad; I think about him every day. Sounds like you had more in common than my Dad and I did; that probably makes it harder still.
Prayers for you and your family.
66 Cyclone GT 390/C6
64 1/2 Mustang Convertible 260/C4
67 Ranchero 500 289/C4 "20-year project"