G1: Homosexuality and Hinduism:

According to Manusmriti,11.67, brāhmaṇasya rujaḥ kṛtvā ghrātiraghreyamadyayoḥ |
jaihmyaṃ ca maithunaṃ puṃsi jātibhraṃśakaraṃ smṛtam |
The translation of this text is:
Causing pain to a Brāhmaṇa,smelling at things that should not be smelt, or at wine,cheating and sexual intercourse with a man,all this is declared to lead to loss of varna
Also, In Narad Smriti 12.10-15 we can clearly see that it is a paap to have lustful realtions between same genders

B1: Brahmin Rules and Regulations

In Manusmriti 7.47,its written that Brahmins cannot sleep during afternoons.