Guys, as always, I'm having some trouble with prepositions.<br/>Can you help me?<br/><br/>Which is the correct option?<br/><br/>a) The qualities I admire the most ABOUT him...<br/>or<br/>b) The qualities I admire the most ON him...<br/><br/>a) They are really calm ON their decisions...<br/>or<br/>b) They are really calm IN their decisions...<br/><br/>Any suggestions?<br/><br/>Thank you a lot!<br/>All the best,<br/><br/>Rafael.