"Sorry - I - well, I've suddenly realised - taken it in properly - that she's dead"
Gerald's delayed reaction to her death is diluted with hyphens as this stammered and staggered speech reveals the overwhelming sadness he feels. Priestley reveals the internal conflict within Gerald, between his natural emotional reaction and his attempt to suppress any 'feminine' emotion that he shows, as he has to remain masculine in a patriarchal society.
"I insisted / I made her take some money"
These are both monetary exchanges rather than financial aid.
Gerald is disguising prostitution as charity
Use of imperatives bears connotations of power and force; Gerald was always in power and in control