He cannot bear to see the udhiyah when it is being slaughtered

No File Exists
Check below answers in case you are looking for other related questions:
Slaughtering the udhiyah in another country
Ruling on slaughtering a cow with the intention of offering the udhiyah and the ‘aqeeqah on behalf of a son and a daughter

No File Exists
Related Answers:
Does haraam wealth affect the acceptance of the sacrifice (udhiyah) if it was bought by a group, some of whose wealth is haraam?
The time for udhiyah (sacrifice)
One sacrifice is sufficient on behalf of the members of a household even if they are one hundred strong
Slaughtering the udhiyah in another country
Ruling on slaughtering a cow with the intention of offering the udhiyah and the ‘aqeeqah on behalf of a son and a daughter

Recommended answers for you:
He cannot perform the prayer on time because of his work. What should he do?
Ruling on Eid and the Sunnahs of Eid
Suffering From Waswas (Insinuating Whispers) of the Shaytan About the Essence of Allah
Ruling on the Muslims celebrating at the time of Christmas and decorating their homes with balloons
Delaying Fajr prayer until the sun has almost risen