Descending sets

Was in the pool at 5:35 this morning and did:

1800 yards free

then joined masters:

300 warmup
200 - 8 x 50's drill on :50
800 - 4 x 200's descend 1-4 on 3:00 (got 2:20 on the last one)
50 back
600 - 4 x 150's descend 1-4 on 2:15
50 back
400 - 4 x 100's descend 1-4 on 1:30 (got 1:05 on the last one)
50 back
300 pull breath 3,5,7 by 100
50 back
200 - 4 x 50's descend 1-4 (got :30 on last one)
100 easy
1000 - 20 x 50's kick with fins on :55
2000 pull
2000 free
100 back easy


10,000 yards total

I agreed to jump in Bountiful lake with Josh tomorrow afternoon. Why am I such a pushover!?