Love on the Brain

3. A feeling of excitement and mystery associated with love (7)
5. An act of holding someone tightly in one's arms, typically to express affection (3)
7. An intense feeling of deep affection (4)
8. A piece of thick, stiff paper or thin pasteboard, in particular one used for writing or printing on (4)
10. Someone who shows that they think highly of a person, as by sending flowers, but keeps their identity a secret from that person (6,7)
12. A card sent, often anonymously, on St Valentine's Day, 14 February, to a person one loves or is attracted to (9)
15. A food in the form of a paste or solid block made from roasted and ground cacao seeds, typically sweetened and eaten as confectionery (9)
16. Of a colour at the end of the spectrum next to orange and opposite violet, as of blood, fire, or rubies (3)
17. To touch, someone or something, with the lips especially as a mark of affection or greeting (4)

1. An attractively arranged bunch of flowers, especially one presented as a gift or carried at a ceremony (7)
2. The second month of the Gregorian calendar (8)
4. For all future time; for always (7)
5. A hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood (5)
6. The god of love. He is represented as a naked winged boy with a bow and arrows, with which he wounds his victims (5)
9. Of a colour intermediate between red and white, as of coral or salmon (4)
11. A social or romantic appointment or engagement (4)
13. A prickly bush or shrub that typically bears red, pink, yellow, or white fragrant flowers, native to north temperate regions and widely grown as an ornamental (4)
14. A reddening of the cheeks and forehead brought about by increased capillary blood flow in the skin (5)
15. A brief but intense infatuation for someone, especially someone unattainable (5)