Is there any religious objection to one spouse kissing the other's feet during intercourse, or to the husband telling his wife that he adores the air she breathes or the ground she walks on?

Each spouse may enjoy the other's body, for Allah, the Exalted, says: "They are a garment for you, and you are a garment for them." This is permissible except for what the Sharia has forbidden, such as intercourse with a woman in her vagina during menstruation or post-natal bleeding (nifas), or anal intercourse. Accordingly, there is no harm in either spouse kissing the other's foot during intercourse, nor in the phrases exchanged during foreplay.