3would的使用和理解

When I would cry,you would always be there to try to cheer me up.

上面的从句和主句同时使用了would，主句里的would always是否表示过去的习惯，是否相当于you used to be

there to try to cheer me up？而时间状语从句里的would又怎样理解呢？

非常感谢