Answer: first think of what it is pertaining to and if it is a yes or no question and want to say yes dont say it too much over excited or no would be slowly letting them down easy like it would be so fun to go with you shopping but i'm sorry i can't go or i would love to go with you but and write what Ur currently doing. also think about how ur going to say it especially with using punctuation while texting and think of what u text might affect the relationship or friendship with the person.
Explanation:
i hope this helped a litttle.