Who picks up his delegates??
If he “suspends” his campaign, he can continue to raise money to retire his debt, plus likely hold on to his candidates so as to be a power broker at the GOP-e / RINO convention.
I doubt he would have entered the presidential stakes at all if he thought he could not cope with her health issues and run the country as well.
Hope Bella beats the odds and grows up to enjoy her life.
More likely he is dropping out because of his poor showing in the primaries.