Advise is to change every 2 days now ( used to be every 3). It has been hot / sweaty perhaps in recent weeks so this could lessen the adhesion.
I always change my Mio after a shower and wait for dry skin. Don’t use a swab.
If they are still breaking away the. You can try tegaderm (? Spell) to hold them in. Also you can get a SkinTac spray that is like glue for skin... but removal is a bit of an ouch experience.
Talk with your DNS - they may have some additional ideas.