Would he change bed sheets if he was cheating?

i started to have suspisions about him avoiding me, avoiding calling me or talking to me, cancelling dates
But last time i visited his place, after a month not going to his house
His house was the same i left it
Even my hair still on the bathroom and bed not so fresh, smelling of him and still my hair on the matrass
Would he change bed sheets if he was cheating?
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