It helped me to keep in mind that every mitzva I did, & every brocha I made with a little more Kavana was a kiyum of Kibud Av. Also, any time I did something that I learned from my parent, I expressed gratitude for that part of my upbringing.
When you say Kaddish, in the last 2 stanzas, when you say “v’al kol Yisroel”, you should be m’chavein to the names of the nifter(s). It helps them (& you, too).
Ha-Makom y’nachem eschem b’soch sha’arei tzion v’Yerushalayim.