요즘 할머니가 자꾸 깜박깜박 더 심해지시고 예전보다 좀 상태가 많이 안 좋아진 거 같으니깐 걱정이 더 된 거 같아요.
He seems to be more worried because grandmother's memory is getting worse these days, and it seems that her condition is much worse than before.