The emotion is creeping back into his voice. He's been really worried about this, Don! Raph saw how crazy everyone was acting. Who the hell knows what he could've done.

"I don't know! You were gone for two days and everybody was all drugged up on that crazy love fruit. We got no idea what the heck's goin' on with you!"

Now would be a great time for Leo to come back home. He really doesn't want to do this alone.