The Prophet ﷺ said, "Nobody who dies and finds good from Allah (in the Hereafter) would wish to come back to this world even if he were given the whole world and whatever is in it, except the martyr who, on seeing the superiority of martyrdom, would like to come back to the world and get killed again (in Allah's Cause)."
عَنِ النَّبِيِّ ﷺ قَالَ مَا مِنْ عَبْدٍ يَمُوتُ لَهُ عِنْدَ اللَّهِ خَيْرٌ يَسُرُّهُ أَنْ يَرْجِعَ إِلَى الدُّنْيَا وَأَنَّ لَهُ الدُّنْيَا وَمَا فِيهَا إِلاَّ الشَّهِيدَ لِمَا يَرَى مِنْ فَضْلِ الشَّهَادَةِ فَإِنَّهُ يَسُرُّهُ أَنْ يَرْجِعَ إِلَى الدُّنْيَا فَيُقْتَلَ مَرَّةً أُخْرَى