Super Perfection Pursuer

What did my mother do which causes her to love merit accumulation so much and had the chance to make merit with Luang Pu when he was still alive? What deed makes her, at the last period of her life, suffer with blood pressure, rheumatoid, thyroid and makes her tumble so many times that her ankles are no longer strong which obstruct her from coming to the temple? What retribution makes her not to have gum edge which causes her to be unable to wear false teeth, so it is difficult for her to eat and defecate?