Nothing matters in life except when it matters to other things in your life. If you lose a job and you want to have a big house - then it definitely matters. But from separate, dead's point of view it's more than pointless and doesn't matter at all. Mayyybee if we were really desperate we could count stuff that matter to other people, what we leave them with or what remains in their memory, but in the end they'll be dead either and it won't matter too. So
If someone enjoys life itself, experiencing stuff, being a human being - great! Good for you! But hell no way there's any sense in all that.