Watch lots of movies from all time periods. When you like something, try to figure out why. When you don’t, also figure out why. Go a step further, and figure out how you’d fix the parts that don’t work for you. Read screenplays for the ones you love. MAKE FILMS (use your phone).
"You disliked it because you wanted to" is such a lame and idiotic excuse for not wanting to accept that other people have different tastes and opinions.
THE ZEN DIARIES OF GARRY SHANDLING: A heartfelt, illuminating, loving and compassionate contemplation of Garry Shandling- true human being and one of the greatest comedic minds of this and last century. Apatow avoids the eulogy and sings an epic song.