Promises and How They Break

And through it all, he could hear her whispering to him through the years "Stay strong Sev. Promise me you will always be here. Stay strong." He may have broken his promise to her in life, but in her death he would fulfill that promise through her son, in the hope that someday they would meet again." Snippets of Lily and Snape over the years. To Fall For You - Secondhand Serenade