Cecile had a traumatic past that Karl only came to know recently because of his father and that past added up to his fears – hence, it's harder to confess because of that. He was afraid that Cecile's pain and heartache on her past traumatic experience was still there so he couldn't bear to tell the truth…
Because that truth could be one of her pain… telling the truth and confessing his love for her seemed so hard…
Though there were several times that he tried to confess everything to her but fear always overpowered him. He was afraid… afraid of losing her… afraid that she'll hate him once she found out the truth.
Karl stared at Cecile while she did her strokes beautifully while painting then he recalled that year…
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TWENTY EIGHT YEARS AGO…
It's their graduation day tomorrow.
