We normally use the before same.
- We have lived in the same house for twenty years.
- He is the same age as his wife.
- Her hair is the same colour as her mother’s.
Before a clause, the same … that or the same …who can be used.
- This is the same man that/who asked me for money yesterday.
The same means in the same way.
- If you leave me I shall never feel the same again.