Answer :
When he wrote this, he and his friends were out having good times, when his friend asks him why he isn't dancing. I forgot exactly why, but he says that I have a soul of lead meaning he is too heavy-hearted to be merry, or he means that as a pun, meaning I have a sole of lead, which would mean he doesn't dance well
He is a mean and unkind person and has a hard heart, is that in much ado or julius Caesar?
