Since I met him, my life has become full of sparkle.
Since meeting him, my life has become more fun and purposeful
「彼と出会えてから人生がキラキラとしたものになりました」＝ Since I met him, my life has become full of sparkle. / Since meeting him, my life has become more fun and purposeful
ボキャブラリー
since I met him/since meeting him ＝ 彼と出会えてから
life has become full of sparkle ＝ 人生がキラキラとしたものになりました
life has become more fun ＝ 楽しみが増えて
purposeful ＝ 生きがいがある
イギリス 
