Hehehe Its specifically mentioned here gods are complete beings with no blood ties or families. Seth n his siblings were the first anomaly who tried playing house or live like humane siblings. But apart from them theres no concept of family among gods or monogamy. Female gods have power to bringe life and can choose whoever they wish to accept seed n have child. Ra talks abt it in trail room. Also these gods are metaphorical manifestations of natural elements complete divine omnipresent existence by themselves. So might take time but you'll be able to detach the incest situation here. Also yessss ra fell for hathor but it was one sided so sekhmet was born n she shares hathors body. They have same ib but two ka

Sekhmet IS hathor. Aka same body different souls. Sekhmet was born as the personification of hathors rage and all the negative feelings n emotions she cant harbour as exclusive goddess of love and beauty. Apparently Ra fell in love with hathor n knowing shed never have hathor melted her rage in this mirror n gifted it to hathor to keep her company and over time the rage became sekhmet. Which explains why she's protective of hathor so much