פרישות PREESHUT - ABSTINENCE:
1. One who conducts himself with abstinence and afterwards retracts from it, falls into additional lust, more than he had before his abstention.
2. Abstinence brings satiety.
3. Abstinence from sexual relations is reckoned as a fast.
4. The sickness of coughing up blood is due to canceling (or refraining) from the sexual relations of the night of (one's wife's) ritual immersion.