That association is good for hearing and chanting or just rendering service. But when we go into that association dragging behind us this very large bag of all of our material baggage, that's where the tiring comes.

If it is connected to Krishna, it is spiritual. It is not connected to Kṛṣṇa - it is material, that's all. But the form between the two is the same. That must be understood, otherwise relationships cannot be understood.