Fair warning: I plan on annoying you for many more Valentine's Days.
Tumhari smile ka side-effect hai — mera din acha ho jaata hai.
Pyaar ka koi discount nahi hota, par tumhare liye main poori keemat khushi se doonga.
My heart did a little unscheduled backflip when you walked in.
Warning: prolonged exposure to you may cause permanent smiling.