Can you provide the entire sentences for these phrases? More context is needed. "0 to 60" usually refers to an increase in a vehicle's speed. Used in reference to yelling, it suggests that the person started out speaking softly, but quickly progressed to yelling. I have no idea waht "sorf star-up" means. "I feel" statements are used in therapy where the patient is asked to describe his/her feelings by saying "I feel" instead of accusing others. See this website: http://www.austincc.edu/colangelo/1318/istatements.htm To hold one's tongue means to suppress the urge to speak. It often implies that you're holding back criticsm.

Could you give some more context as the I have never heard of 0 - 60 yelling or sorf star-up. "I feel" can different things depending on context. "Holding my tongue" means "I am staying silent", "I am not saying anything" etc.