The importance of a correct intention has been adequately stressed in the section on INTENTION OF SEXUAL INTER-COURSE(See Chapter 3)
To attain rewards for this act, a proper niyyah (intention) should always be formulated.
One saintly person says with regard to himself that he once kissed his wife without making the proper intention (i.e. to please ALLAH(Zzza-wa-Jall) that He had made Halaal). As a result of this, he states that he suffered a setback of one full year in his spiritual progress. This sufficiently expresses the importance of correct intentions in all actions, at all times.