Harmonising is when a note is matched or harmonised by another note. Most vocal harmonies harmonise using 3rds, 4th, 5ths and Octaves. Learning how to Harmonise can be a chore because you'll want...
well,i say no because in persanal exsperence it could be your best friend not your boy friend, by this i mean most couples dont get along well when it comes to certain things ;)
yes of course he is fit you probably don't think that but if you have a good enough voice then yes if you just can't sing then you have no chance sorry.