Not wholly correct.
Property and assets acquired by inheritance or gift remain personal property (Sin suan tua) and are not shared. See CCC section 1471.
Do not know what you are on now but if exempt or tourist could apply for additional 30 days. Also as you are now married you could apply for 60 days
to 'visit wife' , then marriage visa / extension after that.
Well I certainly trust my Thai wife.
Of course it's possible that we haven't been married long enough and she is playing the long game.
Will report back if something changes.