What is the differents in use/ meaning: I look forward and I am looking forward
((Not a teacher))
1. I look forward to hearing from you (unsure whether I will hear from you but am hoping that I would).
2. I am looking forward for my cousin's arrival next week. (I am sure that he/she will arrive next week and am eagerly waiting for him/her.)
--I look forward to see you in Australia next vacation.
--I am looking forward for the arrival of my wedding date.