He lives in a strained relationship with his wife Elizabeth.
The true depth of their love, however, is revealed in the final act. It is in Act Four that Miller brings his character to his final moment of truth, where Proctor must look deep into his conscience and discover what is truly important to him: his 'name'.
Tied up in his concern for his own 'self', and integrity, is his concern for others. JOHN IS FLAWED, BUT NOBLE.