i suppose - You say this when you're too scared to say yes because you'r

You say this when you're too scared to say yes because you're not sure if what you're agreeing to is something you'll regret later.

'I suppose,' he said, like he was about to regret his entire life.

'I suppose,' she replied, as if she was about to be forced into a cult.

'I suppose,' he muttered, knowing he’d regret this later.