On her birthday, we hold onto memories because they reassure us. They remind us of a time when we were happy and safe. She did that time and again with her performances. Though I knew her for over 20 years, the little I got to know her was about five years ago. Sridevi was warm and compassionate. Her inability to articulate her thoughts was made up with warm hugs and occasional phone calls. And the joy she unleashed on screen. How well she has honed her art and…