I guess you had to be there - What you say when you're trying not to make your friend feel

What you say when you're trying not to make your friend feel like a total failure for telling a joke that was worse than a math test.

'I guess you had to be there' when my friend told a joke that was longer than my homework.

'I guess you had to be there' when my friend told a joke that even the principal groaned at.

'I guess you had to be there' when my friend told a joke that my brother said was the worst of the year.