a lie i told

i really screwed up last week when my ex-wife came over to finalize some divorce papers. she's been distant since we split, and it was hard seeing her after everything. we were sitting at the kitchen table, going through the legal stuff, and i noticed she looked tired and stressed out. before she could ask how i was doing, i blurted out that my job was great, no issues. big lie. the truth is, i got let go a month ago and haven't found anything new yet. i panicked thinking it would change things, make her feel bad for me or something. instead of talking about the real problems we have, i lied to protect myself from judgement. now every time she looks at me across that table, i see this weight on her shoulders wondering what else i might be hiding. i am such an asshole. how do i even begin to fix this mess?