Symptoms of Ecstatic Love
ဘုရား
is stated that sometimes when Nārada Muni was chanting the Hare Kṛṣṇa  mantra , he remained stunned for awhile, and saliva oozed from his mouth.
Laughing  like a Madmann
When a devotee laughs very loudly like a madman, it is done out of an extraordinary agitation of ecstatic love within the heart. Such mad laughing is an expression of the condition of the heart, which is technically called  aṭṭa-hāsa . When a devotee becomes affected with this mental condition, his love is expressed through the lips. The laughing sounds, coming one after another, are compared to flowers falling from the creeper of devotion which grows within the heart of the devotee. In the  Caitanya-caritāmṛta  devotional service to the Lord is also compared to a creeper which rises up to the lotus feet of Kṛṣṇa in Goloka Vṛṇdāvana.
Wheeling of the Head is the whole process of the head and the skin.
One  gopī  told her friend: “It appears that Lord Kṛṣṇa, the enemy of the demon Agha, has released from His mouth a whirlwind which is acting on your head and is gradually proceeding to do the same to the other lotus-eyed  gopīs .”
Belching
Sometimes belching also becomes a symptom of ecstatic love for Krṣṇa. There is evidence of this in Paurṇamāsī’s address to one crying associate of Rādhārāṇī: “My dear daughter, don’t be worried because Śrīmatī Rādhārāṇī is belching. I am about to offer a remedial measure for this symptom. Do not cry so loudly. This belching is not due to indigestion; it is a sign of ecstatic love for Krṣṇa. I shall arrange to cure this belching symptom immediately. Don’t be worried.” This statement of Paurṇamāsī is evidence that ecstatic love for Krṣṇa is sometimes manifested through belching.
Sometimes trembling of the whole body and hemorrhaging from