What should i say when a guy says so while texting?

Answer 1

When texting and a guy says so it could mean that he wants you to get to the point of what you are trying to say. It can also mean that he may not care about what you have said.

Answer 2

It depends on the context and your relationship with the person. You can respond with "So..." followed by a question to keep the conversation going or to seek clarification on what they said. Alternatively, you could reply with an open-ended statement or a follow-up comment related to the previous topic of conversation.

Answer 3

Just try to keep the conversation light. Don't overthink it or you'll end up saying something silly. Talk about school.