Megosztott hang

I just graduated high school, and something's been bugging me. My grandma didn't say anything about it. No gift, no congratulations, nothing. And that's what's weird to me — because she's not like that. Normally if she's tight on money she'll say something like "I can't do much but congrats." The silence is what's throwing me off. I'm not ungrateful. We had a whole graduation party and everyone showed up for me. If she thought that was enough, I get it. But it's just not like her to not say a si