She had left John Grey because she feared that she would do him no good as his wife,--that she would not make him happy; and she had afterwards betrothed herself for a second time to her cousin, because she believed that she could serve him by marrying him. 
She had left John Grey because she feared that she would do him no good as his wife; and she had betrothed herself for a second time to her cousin, because she believed that she could help him by marrying him. 