preposition From: referring to a period of time ending in the present and defining it by the point in time at which it started, or the period in which its starting point occurred. Continuously during that period of time.
I'd known her only since the previous year, so from/since the moment we got married we’ve quarrelled.
preposition Continuously during that period of time.
I'd known her only since the previous year, so from/since the moment we got married we’ve quarrelled.
preposition At certain points during that period of time.