Members of the Ukrainian Territorial Defence Forces Anastasiia (24) and Viacheslav (43) attend their wedding ceremony, amid Russia's invasion of Ukraine, in Kyiv, Ukraine, April 7, 2022. REUTERS/Mykola Tymchenko 

A member of the Ukrainian Territorial Defence Forces Lesia Ivashchenko reacts at her wedding with Valerii Fylymonov during Ukraine-Russia conflict, at a checkpoint in Kyiv, Ukraine March 6, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces Kseniia and Roman attend their wedding ceremony, as Russia's invasion of Ukraine continues, in Kyiv, Ukraine, March 20, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces attend a wedding of their comrades Lesia Ivashchenko and Valerii Fylymonov during Ukraine-Russia conflict, at a checkpoint in Kyiv, Ukraine March 6, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces Lesia Ivashchenko and Valerii Fylymonov listen to a priest at their wedding during Ukraine-Russia conflict, at a checkpoint in Kyiv, Ukraine March 6, 2022. REUTERS/Mykola Tymchenko 

A member of the Ukrainian Territorial Defence Forces Lesia Ivashchenko is accompanied by a deputy commander of her battalion at her wedding with Valerii Fylymonov during Ukraine-Russia conflict, at a checkpoint in Kyiv, Ukraine March 6, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces Anastasiia (24) and Viacheslav (43) walk to attend their wedding ceremony, amid Russia's invasion of Ukraine, in Kyiv, Ukraine, April 7, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces Anastasiia (24) and Viacheslav (43) attend their wedding ceremony, amid Russia's invasion of Ukraine, in Kyiv, Ukraine, April 7, 2022. REUTERS/Mykola Tymchenko 

Mayor of Kyiv Vitali Klitschko congratulates members of the Ukrainian Territorial Defence Forces Lesia Ivashchenko and Valerii Fylymonov at their wedding during Ukraine-Russia conflict, at a checkpoint in Kyiv, Ukraine March 6, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces Kseniia and Roman attend their wedding ceremony, as Russia's invasion of Ukraine continues, in Kyiv, Ukraine, March 20, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces attend a wedding ceremony of their comrades-in-arms Kseniia and Roman, as Russia's invasion of Ukraine continues, in Kyiv, Ukraine, March 20, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces Anastasiia (24) and Viacheslav (43) wait to attend their wedding ceremony, amid Russia's invasion of Ukraine, in Kyiv, Ukraine, April 7, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces Kseniia and Roman attend their wedding ceremony, as Russia's invasion of Ukraine continues, in Kyiv, Ukraine, March 20, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces Lesia Ivashchenko and Valerii Fylymonov kiss at their wedding during Ukraine-Russia conflict, at a checkpoint in Kyiv, Ukraine March 6, 2022. REUTERS/Mykola Tymchenko 

Members of the Ukrainian Territorial Defence Forces Lesia Ivashchenko and Valerii Fylymonov react at their wedding during Ukraine-Russia conflict, at a checkpoint in Kyiv, Ukraine March 6, 2022. REUTERS/Mykola Tymchenko