In this short movie, he (Shola) promised to marry her but she did not know that he was just in search of sexual pleasure (souvenir).
The following quote captures it well - ‘Any man that asks you for sex, to prove that you love him, is about to leave you and is looking for a souvenir’ – Abimbola Oluyori; The souvenir is what he would use to remember you after moving on!