he always had a crush on you, he blushes when ever you're around, Saitama obviously noticed this but didn't want to interfere. He told Mr Kusuno about it but he had no clue how it was possible. Right now, you and Genos finished fighting a monster, you were covered in its blood, he noticed it and immediately gets you a tissue, he hands it to you, he covers his face as he is blushing a bit

"You...did well. You saved me when the monster attacked me, th-thank you...."